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The leader of a bicycle race is traveling with a constant velocity of +11.5 m/s and is 11.0 m ahead of the second-place cyclist. The second-place cyclist has a velocity of +9.30 m/s and an acceleration of +1.20 m/s2. How much time elapses before he catches the leader? Please explain your reasoning.
Find by what factor will the required time of exposure change if the film is to receive the same total light energy
A 117Kg (including all the contents) rocket has an engine that produces a constant vertical force (the thrust) of 1820N. When it has reached an altitude of 120m how hard does the floor push on the power supply
a parallel-plate capacitor is designed so that the plates can be pulled apart. the capacitor is initially charged to a
A mass-spring system oscillates with an amplitude of 4.40 cm. If the spring constant is 237 N/m and the mass is 411 g, Determine the maximum speed of the object
A car changes it speed from rest to 12 km/hr in 4sec .If the mass of the car is 2000 killograms what is the net force acting on the car
A person pulls a toboggan for a distance of 37.8 m along the snow with a rope directed 26.7 ° above the snow. The tension in the rope is 99.2 N. How much work is done on the toboggan by the tension force
An LC circuit is built with a 10mH inductor and an 8.0pF capacitor. The capacitor voltage has its maximum value of 45V at t=0s. How long is it until the capacitor is first fully discharged
q1. the student now starts moving a box up a 10.0deg incline keeping her 142 n forces directed at 27.0deg above the
The figure below shows a 6.4 kg rod of1.00 m in length, hinged to a vertical wall and supported by a thin wire. The wire and rod each make angles of 45° by the vertical. When a 10.0 kg block is suspended from the midpoint of the rod, the tension T in..
A small circular hole 6.90 mm diameteris cut in the side of a large water tank, 19.0 m below the water level in the tank. The topof the tank is open to the air. Find the speed of efflux
after flying for 15 min in a wind blowing 42 kmh at an angle of 34deg south of east an airplane pilot is over a town
A capacitor consists of two metallic plates of quadratic form with side a. The voltage on the capacitor is V and charge is Q. What is the distance d between the plates of the capacitor
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