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In a test run,a certain car accelerates uniformly from zero to 20.2m/s in 2.95s.
(a) Whats is the magnitude of the cars acceleration?
(b) How long does it take the car to change its speed from 10.01m/s to 20.02m/s?
(c) will doubling the time always double the change in speed?
A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 150 J of energy from a cold reservoir in each cycle, Find the work required in each cycle
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Two spheres are launched horizontally from a1.0m -high table. Sphere A is launched with an initial speed of 5.0m/s. What is the time for the sphere A to hit the floor
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You are sitting in a stationary boat and your friend is sitting in another boat nearby. Ocean swells (long waves) are passing by. What is the period of the swell
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You wish to create an image that is 15 meters from an object. This image is to be inverted and four times the height of the object. What type of image is created, real or virtual
What is the capacitance of a pair of circular plates with a radius of 9.0cm separated by 3.2mm of mica?
A person in a kayak starts paddling, and it accelerates from 0 to 0.8 miles/hour in a distance of 0.8 km. If the combined mass of the person and the kayak is 80 kg, what is the magnitude of the net force acting on the kayak
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