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A 5.6 gram bullet leaves the muzzle of a rifle with a speed of 332 m/s. Calculate what force is exerted on the bullet while it is traveling down the 0.75 meter long barrel of the rifle?
__________ N
In its own reference frame, a box has the shape of a cube 2.5mon a side. This box is loaded onto the flat floor of a spaceship, What is the volume of the box as we observe it
a wave travels along a string at a speed of 280 ms. what will be the speed if the string is replaced by one made of the
a typical hard drive in a computer spins at 5400rpm. what is the period in seconds
A 56.0 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 1.22×10-7 ?m, What will be the diameter of the wire
It was a rainy day and the coefficient of friction was estimated to be 0.42. Use these data to determine the speed of the car while the driver slammed on (and locked) the brakes.
A wooden board that is 50 cm long, 20 cm long, and 4 cm thick is floating in water. Rocks are then carefully placed on the top face of the board until the top of the wood just slips below the water surface. The density of water is 1000 kg/m^3 and ..
What is the mass of the block on the left. At what rate is the plate's area increasing when the radius is 50 cm? (Give your answer correct to 2 decimal places.)
The drawing shows a person (weight W = 582 N, L1 = 0.841 m, L2 = 0.406 m) doing push-ups. Find the normal force exerted by the floor on each hand
A 0.14 meter string clamped at both ends under a tension of 16 N has a fundamental frequency of 135 Hz. What is the mass density of the string
Jerry is 57 kg and when he stands on a bathroom scale, the spring inside the scale compresses 0.41 mm. If the scale will be damaged if the force exceeds 60000 N, what is the maximum height Jerry can jump on the scale
during heavy rain a section of a mountainside measuring 5.4 km horizontally perpendicular to the slope 0.40 km up along
Lets suppose if a pure Si crystal has 5 X 10 28 atoms m -3. It is dopped by 1 PPM concentration of pentavelents As( arsenic)
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