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A speeder traveling at 0.60 c passes a police car. After a 2.0 s reaction time, the police take off at 0.80 c in pursuit of the speeder. How much time will elapse in the reference frame of the speeder among the instant that the police begin their pursuit to the instant that they catch up to the speeder?
A spaceship with an earth weight of 3430 N is sent to Mars, which has radius, RM = 3.40 × 106 m, Find the weight of the spaceship on the Martian surface
A block with mass m = 0.80 kg is forced against a horizontal spring of negligible mass, compressing the spring a distance of 0.20 m. When released, the block moves on a horizontal table top for 1.00 m before coming to rest. The spring constant k is 1..
The force of gravity acting on the arm acts through point A. Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
A projectile is fired at such an angle from the horizontal that vertical component of its velocity is 49 m/s. The horizontal component of its velocity is 61 m/s.
Find an angular velocity of the tire at the marker. Find also the linear speed of the point of contact of the tire with the pavement at the marker.
A block with mass M attached to a horizontal spring with force constant k is moving with simple harmonic motion having amplitude A1. What should be the value of the putty mass m so that the amplitude after the collision is one-half the original ampl..
An object with a mass of m = 4.8 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.235 m and mass of M = 3.00 kg. The reel is a solid disk, free to rotate in a vertical plane about the horizontal axis passing t..
A 723-N person stands on a uniform board of weight 282 N and length 6.1 m. How far from the left end of the board is the person standing
the electric potential at a position located a distance of 18.9 mm from a positive point charge of 8.70times10-9 c and
A layer of liquid B floats on liquid A. A ray of light begins in liquid A and undergoes total internal reflection at the interface between the liquids when the angle of incidence exceeds 39.0°.
If you pour 0.0100 kg of 20C water onto a 1.20kg block of ice which is initially -15C what is the final temperature
A 4.60-kg ball is dropped from a height of 10.0m above one end of a uniform bar that pivots at its center. how high will the ball go after the collision
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