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Amotorist drives along a straight road at a constant speed of 15.0m/s. Just as she passes a parked motorcycle officer, the officerstarts to accelerate at 2.00 m/s2, to overtake her. The motorist always goes at the same speed. Suppose that it takes the officer 3 seconds to start his motorcycle. What is the total displacement of the officer as she overtakes the motorist?
225meters
270meters
290meters
309meters
A piece of radium has an activity of 18 mCi. What is the mass of the radium
An angry rhino with a mass of 2300 kg charges directly toward you with a speed of 4.30 m/s. Determine the speed of the ball after it bounces back elastically toward you
What would the first allowed orbital be for a particle whose mass is 2 x 10 ^ -39 kg and velocity was 30% the speed of light
Three identical train cars, coupled together, are rolling east at 1.2 m/s. What is the speed of the five-car train
A boy throws a ball into an open window 10m above his shoulder at 65 degrees with the horizontal. He observes that the ball flies in horizontal. A. What is the initial speed of the ball
An air-track glider attached to a spring oscillates between the 10 cm mark and the 60 cm mark on the track. The glider completes 10 oscillations in 48 s. What is the maximum speed of the glider
The arm of a person weighs 41.5N, which acts at the center of mass that is located 29.0cm from the rotation point in the shoulder. What is the force required by the deltoid muscle, Fd, to hold the arm parallel to the floor
what is the acceleration of the wallet. If the contact between ball and ground lasted 1.6ms, what average force was exerted on ball.
What is the horizontal distance x (in metres) to the base of the wall supporting the mirror of the nearest point of the floor that can be seen reflected in mirror.
The wire is cut at point P. Will the potential difference between points A and B increase, decrease, or remain the same? Give reason for.
q1. for the beam given in the figure below assume that the material is astm-a514 steel with elastic modulus and e
If a container has a water level 20 cm above the base and you punch a hole in the side 12 cm high
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