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A speeding motorist traveling with velocity Vm is spotted by a police car. The police car is initially at rest, but the instant the motorist passes, accelerates with constant acceleration ap. Assume the police car maintains this acceleration and the motorist maintains velocity Vm. Find:
a. The velocity of the police car when it catches up to the motorist.
b. The time it takes for the police car to catch the motorist.
c. How far does the police car travel to catch the motorist?
A person with a weight of 241 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
A person walks 25.0 north of east for 3.10 km. explain how far would another person walk due north and due east to arrive at the same location?
What is the normal force that the incline exerts on the block. find the acceleration of the block.
A thin 12 cm long solenoid has a total of 490 turns of wire and carries a current of 1.9 A. find the magnitude of the field inside near the center.
Glider A with mass 0.400 kg, gliding with a velocity of magnitude 0.50 m/s on a frictionless, horizontal air track, makes a perfectly elastic head-on collision with a glider B with mass, Find the mass of the glider B
Two boats start together and race across a 56km wide lake and back. Boat A goes across at 56 km/h and returns at 56km/h. Boat B goes across at 28km/h, and its crew, realize how far behind it is getting.
Iodine-131 has a half-life of 8 days. A 2-gram sample of at first pure iodine-131 is stored for 32 days. How various grams of iodine-131 remain in the sample afterwards.
what is the ratio of the amplitude of the damped oscillations. You shoot a 58-g pebble straight up with a catapult whose spring constant is 310 N/m. The catapult is initially stretched by 0.20 m. How high above the starting point does the pebble f..
a 100v dc battery, a resistor and a capacitor are connected in series. The capacitor is initially uncharged. estimate the capacitance of the capacitor
A circular armature coil is used in a motor with a uniform magnetic field of 2.65 T, If this motor is operating on 120 VRMS now with a load (e.g running a fan) and at the angular frequency ?A, how much current is flowing throught the motor
A satellite that weighs 4900 N on the launchpad travels around the earth's equator in a circular orbit with a period of 1.667 h. Calculate the magnitude of the earth's gravitational force on the satellite
A puck slides across a smooth, level tabletop at height H at a constant speed vo. What is the algebraic relationship between the distances x and H
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