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Calculate the acceleration of a bus that goes from 57.6 km/h to a speed of 99.79 km/h in 10 s. (Hint our units are chosen to be descriptive and instructive so this time we will use km/h/s or km/hs since this allows us to see how much faster we will go each second and thus anticipate how fast we will be going if we are to continue to accelerate over a different period of time.)
Considering only the gravitational forces that the spheres exert on each other, illustrate what is the magnitude of the initial acceleration of the third sphere?
A pendulum clock has a period of 0.683 s on Earth. It is taken to another planet and found to have a period of 0.828 s, Find the gravitational field strength on the other planet.
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
A person pulls a toboggan for a distance of 40m along the snow with a rope directed 25 degrees above the snow. The tension in the rope is 83N.
Two people are pushing inward on a door from the outside. One person is pushing the door shut from the inside. how much force is the hinge exerting on the door
The mass m =1 kg is set up as a pendulum of length 0.6m as shown on the diagram. Initially in the position of h = 0.2m above the lowest point, and the pendulum is given initial speed of 1m/s. What is the largest mass M that might be temporarily lifte..
The magnitude of the acceleration due to gravity
A policeman uses a radar gun to detect the speed of drivers in a 65 mph (29.06 m/s) zone, What is the driver's speed, Is the driver breaking the speed limit
What is the frequency of string that was tightened.How high does it rise above the ground.
The plates of a parallel-plate capacitor have a separation of 4.04mm , and each has an area of 15.4cm2 . Each plate carries a charge of magnitude 6.65×10?8C, What is the potential difference between the plates
q1. two plane mirrors are separated by 140deg as drawing illustrates. if a ray strikes mirror m1 at the 75deg angle of
What is size of the gravitational force on the moon
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