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A block with mass 0.5 kilograms is covering a hole in a horizontal table. From below the table a bullet with mass 5 grams is fired straight up. It passes through the hole and hits the block. Assume the bullet makes an elastic collision with the block. As a result, the block bounces up over a distance of 1.5cm. Calculate the speed with which the bullet hit the block.
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
A solid cylindrical disk has a radius of 0.45 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. What is the mass of the disk
A sealed container contains 7 moles of neon gas at STP. Estimate the number of neon atoms having speeds in the range from 188.0 m/s and 192.0 m/s
You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, find the magnitude of the force that you exert on the handle
Find out an effective coefficient of kinetic friction
A potential difference of 5.60 V will be applied to a 33.00 m length of 18-gauge tungsten wire (diameter = 0.0400inches). Calculate the current and Calculate the current density
To make a simple microscope a student places two converging lenses of +20 D at opposite ends of a 34 cm long tube. What is the tube length of the microscope
you have a 100.00 cm track inclined at 10.000 degrees. You roll a steel ball down the track until it drops off the track and falls 1.0000 m to the floor
High-voltage power lines are a familiar sight throughout the country, What is the resistance of 15 kilometers of this wire
A jet airplane is in level flight. The mass of the airplane is m = 8990 kg. What is the magnitude of the lift force acting on the plane
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle, what is the correct angle for his launch ramp (deg) and What is his correct launch speed
Water is in the big beaker. Scale 1 reads 87 newtons, scale 2 reads 948 newtons, and scale 3 reads 0 newtons. The hanging block has a density of 10 × 10^3 kg/m3. To the nearest tenth of newton what does scale 1 read after the block is fully lowere..
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