An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s speed zone....
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s speed zone. A police car observed the automobile. At the instant that the two vehicles are abreast of each other, the police car starts to pursue the automobile at a constant acceleration of 1.96 m/s. The motorist noticed the police car in his rear view mirror 12 s after the police car started the pursuit and applied his brakes and decelerates at 3.05 m/s. (Hint: The police will not go against the law.) a) Find the total time required for the police car to overtake the automobile. (12 marks) b) Find the total distance travelled by the police car while overtaking the (2 marks) automobile. c) Find the speed of the police car at the time it overtakes the automobile. (2 marks) d) Find the speed of the automobile at the time it was overtaken by the police car. (2 marks) An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s speed zone. A police car observed the automobile. At the instant that the two vehicles are abreast of each other, the police car starts to pursue the automobile at a constant acceleration of 1.96 m/s. The motorist noticed the police car in his rear view mirror 12 s after the police car started the pursuit and applied his brakes and decelerates at 3.05 m/s. (Hint: The police will not go against the law.) a) Find the total time required for the police car to overtake the automobile. (12 marks) b) Find the total distance travelled by the police car while overtaking the (2 marks) automobile. c) Find the speed of the police car at the time it overtakes the automobile. (2 marks) d) Find the speed of the automobile at the time it was overtaken by the police car. (2 marks)
Expert Answer:
Related Book For
Posted Date:
Students also viewed these physics questions
-
A motorist drives along a straight road at a constant speed of 15.0 m/s. Just as she passes a parked motorcycle police officer, the officer starts to accelerate at 2.00 m/s2 to overtake her. Assuming...
-
A car is traveling along a straight road at a velocity of +36.0 m/s when its engine cuts out. For the next twelve seconds the car slows down, and its average acceleration is a1. For the next six...
-
A student drives a moped along a straight road as described by the velocity-versus-time graph in Figure P2.54. Sketch this graph in the middle of a sheet of graph paper. (a) Directly above your...
-
Joshua Tree Inc. reported that at the end of 2012 net accounts receivable of 2,050 (the net value at the end of 2011 was 1,090). Their allowance for doubtful accounts at the end of 2012 was 150 (the...
-
Following this ruling, what changes in company policies might be necessary?
-
Consider a three-dimensional system with central potential \(V(r)=V_{0} /\left(r^{2}+a^{2} ight)\). Write the WKB approximation for the wave function for scattering of given angular momentum \(l\),...
-
Why petrol engines are called S.I. engines and why diesel engines are called C.I. engines.
-
The T accounts for Plant Assets and Accumulated Depreciation for DOT Company at the end of 2011 are as follows: In addition, DOT Companys income statement shows a gain on sale of plant assets of...
-
Problem No. 1 Design Member ab 1. Use A36 steel. 2. All truss members are long legs back-to-back angles. 3. At each joint, truss members are connected by 3/4" thick gusset plates. 4. Assume three...
-
Leisure City maintains a Pension Trust Fund for its employees. Following is a trial balance for the fund at December 31, 2011: The following transactions took place during 2012: 1. Both Leisure City...
-
Discuss the resistance to genetically modified organisms (GMOs) in Mexico and Columbia?
-
Open-economy AE model with proportional taxes : Consider an AE model with trade in which AE=C +Ip +G + (EX-IM). Consider planned aggregate expenditure model with taxes proportional to income: so that...
-
Their 1.5 inch, 90-degree copper elbow (see below) is a very popular item in the plumbing line that comes packaged in 10 elbows per box. The box costs about $65 to Western, and Western sells it at...
-
= If log2 3 m and log, 6=n find log, 2 in terms of m and n. I
-
A company has the following value on their annual tax return. Sales revenues, $ 1 , 5 0 0 , 0 0 0 Interest revenues, $ 3 1 , 0 0 0 Expenses, $ - 7 5 4 0 0 0 Depreciation, $ 3 1 , 0 0 0 Calculate the...
-
Find the factors of 3x3 - 5x2-4x + 4 provided that one of the factors is (x+1)
-
A small city toy store manager forecasts that the demand for the new Lite-Brite Super Brite HD Barbie Editions will be increased during holiday season this year. She did some research and received...
-
Refrigerant-134a enters an adiabatic compressor as saturated vapor at 120 kPa at a rate of 0.3 m3/min and exits at 1-MPa pressure. If the isentropic efficiency of the compressor is 80 percent,...
-
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 9.00 m to a store. The magnitude of the shopper's displacement from the...
-
A train has a length of 92 m and starts from rest with a constant acceleration at time t = 0 s. At this instant, a car just reaches the end of the train. The car is moving with a constant velocity....
-
You have a wire of length L = 1.00 m from which to make the square coil of a dc motor. The current in the coil is I = 1.7 A, and the magnetic field of the motor has a magnitude of B = 0.34 T. Find...
-
Steam at 8 bar pressure and dryness fraction of 0.9 expands at constant pressure until the temperature is \(200^{\circ} \mathrm{C}\). Calculate the work input and heat supplied per \(\mathrm{kg}\) of...
-
Find the enthalpy and internal energy of steam at a pressure of 10 bar and temperature \(200^{\circ} \mathrm{C}\). Assume \(c_{p s}=2.1 \mathrm{~kJ} / \mathrm{kg}\).K for superheated steam.
-
The following readings were taken with a separating and throttling calorimeter: \[ \begin{aligned} \text { Initial pressure } & =12 \mathrm{bar} \\ \text { Final pressure } & =1.2 \mathrm{bar} \\...
Study smarter with the SolutionInn App