Question: 1. a) How much work is done on a 750 kg load of bricks by a bricklayer if he carried the bricks upward to

1. a) How much work is done on a 750 kg load

1. a) How much work is done on a 750 kg load of bricks by a bricklayer if he carried the bricks upward to a height of 8.2 m to repair a chimney? b) If the bricklayer used a mechanical lift that does 2000 J of work what mass could it lift? c) How much power does the lift use if it does it in 12 s?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a To calculate the work done on the load of bricks we can use the formula Work Force Distance cos wh... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

Please explain two reasons why you believe that so many incentive plans are generally modified and adjusted on an annual basis for similar work and even the same groups of employees.

2 Tatum Company has four products in its inventory. Information about the December 31, 2021, inventory is as follows: Product Total Cost 2 101 points $152,000 102 113,000 103 75,300 104 38,300 Total...

A Small rock with mass 0.20 kg is released from rest at point A, which is at the top edge of a large, hemispherical bowl with radius R = 050 m (Fig. 7.25) Assume that the size of the rock is small...

12. A 10-kg box is dragged across the floor by a rope which makes a 30-deg angle to the horizontal (see D force? illustration). The tension in the rope is 40 N, and the coefficient of kinetic...

DO NOT USE UNLOCKS What is the maximum segment length of a 100Base-FX network,Thelast character('X', etc) refers to the line code method used. Line code is a pattern of voltage, current or photons...

Bb Welcome, Kamrun - Blackboard X Ellucian Degree Works - Lehman Col X 43 MyUB x Help and Updates X A PHY101- CH 5 HW - PHY 101, se X "A PHY101- CH 4 HW - PHY 101, se X + C O &...

6. In his job, Martin is handed several bricks. He carries them across a yard and hands them to a bricklayer. He thinks he works hard, but his sister tells him that he does no work on the bricks. Why...

QUESTION 1 A driver in a car traveling at a speed of 28.8 m's sees a deer 100 m away on the road. Calculate the minimum constant acceleration that is necessary of the car to stop without hitting the...

watch the three short clips below then answer the questions Copy and paste the three links below 1) Projectile Motion https://www.nsf.govews/mmg/mmg_disp.jsp?med_id=72205&from= 2) Newton's Second Law...

In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth.(a) How much work did Arfeuille do on the object? J (b) What magnitude force did he...

The median annual income for heads of households in a certain city is $52,000. Five such heads of household are randomly selected for inclusion in an opinion poll. Let X be the number (out of the...

For the beam and loading shown, (a) Draw the shear and bending-moment diagrams, (b) Determine the maximum absolute values of the shear and bending moment. 5

IIII 2 0 of 1 0 1 Concepts Multiple Choice Question The Accounting Standards Codification is organized into rules and interpretations. topics and subtopics. standards and opinions. statements and...

54 A siphon tube is discharging a liquid of specifie gravity 0.9 from a reservoir as shown in & fig., here g-10 mis, P 10 Pa 55 LSm AP P" 54. What is the velocity of the liquid coming out of siphon...

Mr. Ahmed is appointed as auditor in Peacock Company. During the audit, he observed that the sales manager is seriously involved in fraud. He observed that the company understated its sales. The...

Find the value of X 5y 8 7y-12 (6x+4)9 (9x- 14) 25 F.

Consider a $2 million FRA with a contract rate of 5 Percent on 60-day LIBOR. If 60-dat LT percent at settlement, the long will: 1. Pay $3300 2. Pays $3,333 3. Receive $3,300 4. Receive $3,333

Question 1 ( 1 point ) Who rejects the Queen's favor? Sir Launfal Sir Gawain King Arthur Sir Yvain O of 5 questions save

Two small objects, A and B, are fixed in place and separated by 3.00 cm in a vacuum. Object A has a charge of 12.00 C, and object B has a charge of -2.00 C. How many electrons must be removed from...

The drawing shows a parallel plate capacitor that is moving with a speed of 32 m/s through a 3.6-T magnetic field. The velocity is perpendicular to the magnetic field. The electric field within the...

A loop of wire has the shape of a right triangle (see the drawing) and carries a current of I = 4.70 A. A uniform magnetic field is directed parallel to side AB and has a magnitude of 1.80 T. (a)...

11. Many people believe the human appendix is useless. Will it become smaller and smaller with each generationpg105

8. What are the main types of evidence to estimate the heritability of some behaviorpg105

4. How does a sex-linked gene differ from a sex-limited genepg105