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A hockey player uses her hockey stick to exert a force of 1.78 N on a stationary hockey puck. The hockey puck has a mass of 145 g.
What is the acceleration of the hockey puck?
find the electric flux through the bottom of the car. What was the jogger's average speed in m/s.
What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 ^circC? Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
A plane flies from base camp to Lake A, 300 km away in the direction 36.9° south of east. After dropping off supplies it flies to Lake B, which is 260km at 30.0° west of north from Lake A. find out the distance and direction from Lake B to the bas..
A basketball star covers 2.85 m horizontally in a jump to dunk the ball, Determine his horizontal velocity at the instant of takeoff
The rear window of a van is coated with a layer of ice at 0°C. The density of ice is 917 kg/m3, What is the maximum thickness of ice above this area that the defroster can melt in 4.4 minutes
A runner whose mass is 55 kg accelerates from a stop to a speed of 8 m/s in 3 seconds. How much work is done on the point-particle system by this force
A power supply has an open-circuit voltage of 35.0 V and an internal resistance of 2.00 O. What additional resistance should be added in series
A superwoman is travelling in a rocketcroft at a speed of 1.5 x10^ 8 m/s is holding a coffee cup that is 20 cm tall and 8 cm in diameter, What is the width of the cup in the direction of the travel
Planet X is 307 times more massive than Earth, and its radius is 10.8 times Earth's radius. How many times more would you weigh on Planet X
A 25 g bullet strikes and becomes embedded in a 1.65 kg block of wood placed on a horizontal surface just in front of the gun, what was the muzzle speed of the bullet
A mass of 0.450 kg rotates at constant speed with a period of 1.45 s at a radius of R 0.140 m . What is the rotation period for a mass of 0.550kg at the same radius
Sirius is a binary star (two stars orbiting their center of gravity) they are separated by 2 light hours, What diameter aperture must we use in the telescope to resolve the red light(700 nm) from the two stars
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