22, A stationury object of mass 4kg is set in metio hy a net force of...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
22, A stationury object of mass 4kg is set in metio hy a net force of SON. If the object uttains a speed of 5ms' in time t, calculate the value of t. A 0.20 B 0.40 C.0.63 D. 0.80 E 0.56s 23. Newton's second law of motion states that A the force, on a body is inversely proportional to its mus B when two or more bodies act upon one janother, their totul momentum remains constunt when extemal forces are acting on the body. C the time rate of change of linear momentum of a hody is proportionul to the impressed force and takes place in the dimction in which the force acts. D. the force acting on a body in motion s proportional to its kinetic energy. E the force acting on two bodies nai in contact is propartional to their masses und inversely to distance of separation 24. A net force of magnitsde .6N acts on a body of mass 40g, initiully at re. Calculate the magnitude of the resulting acceleration. A 90ms A 60ms C 30m D. 1Sms E 27ms 25, An inelastic collision takes place between balls of known masses Just before collision, ne of the halls is moving with a velocity while the other is stutionury. Which of the following physical quantities can he determined from the information given A Speed of ach of the hulls after oollision R. kinetic energy of each of the halls after collision C total momentum of the two balls after collision D D mutual forces exerted by the balls E the shape of the balls 26. The tendency of a boy to remain at rest when a force is applied to it is called C inertia A impulse R monsentum D. friction E weight 27, Which of the following explains the concuve meniscus of water in a gluss tuhe? A the adhesion between water and glass is greater than the colhesion between water molecules n the cohesion hetween water molecules is greuter thum the adhesion berween glass and water C the molecules of water aear the glass are moving faster than the molecules in other parts D the weight of the water pulls the central part of the surface down. E th guls is ut a different temperature than the water dse to its conductivity 28, Which of the following will not lower the surface tension of water? A Detergent calcium carbonate R Methylated spirit C. Soap D. Grease E 29. The adour of leaking gas is perceived at a distance fram the source. This is possible by the process of A sublimation B. diffusion C. osnosis D evaporationE regelation 30, Palm oil flows out mate easily after it has heen heated hecause the A molecules are given potential energy during the heuting B, friction between uil layers is reduced C. oil molecules focce each other out n adhesion between the ail molecules and those of the bottle is increased E nil is less sticy 31. A man of mass 65kg carrying a loud of mass 25ky stands iaside a lift. If the lift moves upwards with an acceleration of Sms, calculate the magnitude of its teaction on the man. A 325N B 60ON C 90ON D 135ON E 200ON 32. A hurometer cun he used in determining the L height of a mountain IL Depth of a mine. IL Dew point Which of these ivire correct? A. 1. Il und Il B. II and II only DI and Il only Cl and Il only E none of the above 22, A stationury object of mass 4kg is set in metio hy a net force of SON. If the object uttains a speed of 5ms' in time t, calculate the value of t. A 0.20 B 0.40 C.0.63 D. 0.80 E 0.56s 23. Newton's second law of motion states that A the force, on a body is inversely proportional to its mus B when two or more bodies act upon one janother, their totul momentum remains constunt when extemal forces are acting on the body. C the time rate of change of linear momentum of a hody is proportionul to the impressed force and takes place in the dimction in which the force acts. D. the force acting on a body in motion s proportional to its kinetic energy. E the force acting on two bodies nai in contact is propartional to their masses und inversely to distance of separation 24. A net force of magnitsde .6N acts on a body of mass 40g, initiully at re. Calculate the magnitude of the resulting acceleration. A 90ms A 60ms C 30m D. 1Sms E 27ms 25, An inelastic collision takes place between balls of known masses Just before collision, ne of the halls is moving with a velocity while the other is stutionury. Which of the following physical quantities can he determined from the information given A Speed of ach of the hulls after oollision R. kinetic energy of each of the halls after collision C total momentum of the two balls after collision D D mutual forces exerted by the balls E the shape of the balls 26. The tendency of a boy to remain at rest when a force is applied to it is called C inertia A impulse R monsentum D. friction E weight 27, Which of the following explains the concuve meniscus of water in a gluss tuhe? A the adhesion between water and glass is greater than the colhesion between water molecules n the cohesion hetween water molecules is greuter thum the adhesion berween glass and water C the molecules of water aear the glass are moving faster than the molecules in other parts D the weight of the water pulls the central part of the surface down. E th guls is ut a different temperature than the water dse to its conductivity 28, Which of the following will not lower the surface tension of water? A Detergent calcium carbonate R Methylated spirit C. Soap D. Grease E 29. The adour of leaking gas is perceived at a distance fram the source. This is possible by the process of A sublimation B. diffusion C. osnosis D evaporationE regelation 30, Palm oil flows out mate easily after it has heen heated hecause the A molecules are given potential energy during the heuting B, friction between uil layers is reduced C. oil molecules focce each other out n adhesion between the ail molecules and those of the bottle is increased E nil is less sticy 31. A man of mass 65kg carrying a loud of mass 25ky stands iaside a lift. If the lift moves upwards with an acceleration of Sms, calculate the magnitude of its teaction on the man. A 325N B 60ON C 90ON D 135ON E 200ON 32. A hurometer cun he used in determining the L height of a mountain IL Depth of a mine. IL Dew point Which of these ivire correct? A. 1. Il und Il B. II and II only DI and Il only Cl and Il only E none of the above
Expert Answer:
Related Book For
Posted Date:
Students also viewed these physics questions
-
When you start your venture, you have a number of decisions to make. What are you going to offer? What market are you going to target? Are you going to run your business solo or have a helping hand?...
-
Name the following alkanes and haloalkanes. When two or more substituents are present, list them in alphabetical order. (a) (b) (c) (d) CH CH CH-CH CHCH Br CH CH CH CH CH CH CH CH, CH,CH(CH3)....
-
When two or more controls are selected, how can you tell which one is the reference control? a. The reference control has white sizing handles. b. The reference control has black sizing handles. c....
-
Simplity each of the follewing ratios. f r 15 15kg:350 g 0.45:085 ( 580 ml: L121:104 m/ 40 033:063: 18
-
What is Burke's view of the marketing research process? How does it compare with the one given in Chapter 1?
-
What is public health emergency preparedness? Describe the incidents that led to the creation and/or expansion of public health emergency preparedness programs in the United States.
-
With reference to Exercise 11.3, express \(90 \%\) limits of prediction for the tearing strength in terms of the temperature \(x_{0}\). Choosing suitable values of \(x_{0}\), sketch graphs of the...
-
The water and wastewater utility (enterprise) funds of three cities each paid $1 million in casualty insurance premiums. City A is insured by a small independent insurance company. City B is...
-
A currenty situation I'm in is buying new furniture and appliances for my new home, its a constant struggle balancing what I want and how much it costs. A linear way of making this decision is by...
-
There is a parcel of land next to the Playful Paws, Inc. building. Ellen, the owner of this property, approached John to discuss the idea of selling it to him. John is interested. Ellen knows that...
-
1. In a 1973 paper entitled "A Living Wage," published in Annals of the American Academy of Political and Social Science (vol. 409:33-41), Daniel R. Fusfeld from the Department of Economics at the...
-
What is intangible asset? Give five examples of intangible assets.
-
Discuss the importance of verification and valuation of assets.
-
What is a qualified report? Give a specimen of a qualified report of the auditor.
-
Discuss the status of an auditor in the company.
-
While examining the accounts of a company, you find the following items on credit side of profit and loss account: (a) Profit on revaluation of land. (b) Bounties received from Central Government....
-
Discuss what impressions you want people to form of you based on the information they can see on your Facebook or other social media page? Have you ever used social media or the Internet to do...
-
Periwinkle Company is a multinational organization. Its Parts Division is located in Lavender Land, while its Assembly Division is located in North Orchid. During the current year Periwinkle Companys...
-
Astronauts on a distant planet set up a simple pendulum of length 1.2 m. The pendulum executes simple harmonic motion and makes 100 complete vibrations in 280 s. What is the magnitude of the...
-
An aneurysm is an abnormal enlargement of a blood vessel such as the aorta. Because of the aneurysm, the normal cross-sectional area A1 of the aorta increases to a value of A2 = 1.7A1. The speed of...
-
A hot-air balloon is rising straight up at a constant speed of 7.0 m/s. When the balloon is 12.0 m above the ground, a gun fires a pellet straight up from ground level with an initial speed of 30.0...
-
One of Hope Ltds customers has become insolvent. As a result the amount owed to Hope Ltd has become a bad debt. Which of the following is the consequence? A. Hope Ltds current ratio has increased. B....
-
For a company with no preference shares, earnings is the: A. Sales figure. B. Profit before tax. C. Profit after tax. D. Profit after tax and after dividends.
-
Repeat Exercise 1.4 from Chapter 1. Do you think that users know what to ask for from their accountant or financial adviser? Data from Repeat Exercise 1.4 Do you think that users know what to ask for...
Study smarter with the SolutionInn App