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Q1.An automobile driver puts on brakes and decelerates from 68 mph to zero in 16 s. What distance does the car travel?
A car dealer claims that his product will accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What estimated distance will the car travel?
Q2. A police car going 25 mph spots a speeding car going at 85 mph and 200 feet ahead of him. The police car accelerates at 25 ft/s2. The reaction time of the police car is 0.8 seconds. How many total seconds will it take the police to reach speeding car and how numerous miles from his/her starting position will the police car have travelled by the time he reaches the speeding car and what is the police car's velocity? Reply the similar questions, if 2 seconds after the police accelerates, the speeding car also accelerates at 10 ft/s2.
A 507g mass oscillates with an amplitude of 13.0 cm on a spring whose spring constant is 23.0 N/m. Determine the total energy
A person blows into a rubber tube connected to one arm of a manometer containing glycerin of relative density 1.260. what is the gauge pressure of the air in the person's lungs
spring system is allowed to come to a static equilibrium. How much does spring stretch.
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 10 s, it rotates 2 revolutions. What was the angular acceleration during this time
A simple harmonic oscillator with m=0.815 kg and total energy E=135 J has amplitude 1.35m, Find the maximum acceleration
A 32.5-g glass thermometer reads 24.1?C before it is placed in 131mL of water. What was the original temperature of the water
In the process represented in the figure, 2.4 moles of an ideal monatomic gas start at state a, with pressure 1 atm (1.01*10^5 N/m^2), Find the net work done by the gas in one cycle
A transformer is constructed that has 120 turns of wire on the primary side and 430 turns of wire on the secondary (load) side. what is the AC current measured on the secondary side
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 5.24 m/s^2.
A conveyor belt is moving horizontally with a constant speed of 7 m/s (wrt earth). What is displacement of the bag (wrt earth) by the time it reaches the speed of the belt
A model rocket is launched straight upward with an initial speed of 47.8m/s. It accelerates with a constant upward acceleration of 2.07m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by rocket.
Given: A 23.0\mu F capacitor is charged by a 135.0-V power supply, then disconnected from the power and connected in series with a 0.270-mH inductor.
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