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Question: A 53.5-g Super Ball traveling at 27.0 m/s bounces off a brick wall and rebounds at 19.0 m/s. A high-speed camera records this event.
Part A: If the ball is in contact with the wall for 4.05 ms, what is the magnitude of the average acceleration of the ball during this time interval?
Please show how you obtained the answer for above question.
A room measures 3.0 m by 4.5 m by 6.0 m. If the heating and air-conditioning ducts to and from the room are circular with diameter of 0.30 m, WHat is the necessary flow speed in the duct
The image of a tree on a 35 mm color slide is 1.7 mm high. It is to be projected onto a screen 8.0 m from the slide, and is to appear 559 mm high. What is the magnification of the system
The terminals of a 0.900V watch battery are connected by a 90.0?m?long gold wire with a diameter of 0.200mm, compute the current in the wire
Two astronauts are 1.0 m apart in theirspaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves.
1. a 204 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. the ramp is
You try to remove olive oil from a glassby blowing across the top of a vertical straw immersed in theolive oil. What is the minimum speed you must give the air
A puck of mass m = 1.20 kg slides in a circle of radius r = 18.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 2.80 kg by a cord through a hole in the table
two large parallel conducting plates are 12 cm apart and have charges of equal magnitude and opposite sign on their
A common belief is that a hole in a jet plane can suck a person out, Calculate the fractional difference between this force and the weight wman of a typical adult male (185 lb)
Light passes from air into a substance. The angle of refraction is 22degrees and angle of incidence is 30 degrees. Compute the polarizing angle for this substance. Name a substance that has this index of refraction.
A supertrain of proper length 200 m travels at a speed of 0.9 times the speed of light (relative to the tunnel) as it passes through a tunnel having proper length 80 m. how much longer is the train than the tunnel
In a typical lightning flash, the potential difference between the cloud and the ground is 10^9V and the charge transferred is 30 C. Calculate the final speed of the car
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