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Problem: A pitcher throws a 0.5-kg ball at a 1-kg wood block at rest. The ball sticks to the wood on impact, and their joint velocity afterward is 3 m/s. What was the original speed of the ball?
An 8.70kg block slides by an initial speed of 1.66m/s up a ramp inclined at an angle of 27.4 degrees to the horizontal. The coefficient of kinetic friction among the block and the ramp is 0.3. Use energy conservation to discover the distance the bloc..
A 2.05kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0380m. What is the speed of the block when it has moved a distance of 0.0140m from its initial position
starting at rest two students stand on 20-kg sleds which point away from each other on ice and they pass a 10-kg
You shine red laser light with wavelength 670 nm through two narrow slits where the spacing between the slits is 0.005 mm. You use a screen placed far from the slits to detect the interference pattern. What is the smallest angle where the path diff..
A package of mass 25.97 kilogram is released from rest at a warehouse loading dock and slides down a 2.02 meter high frictionless chute to awaiting truck. Find what is their common speed after the collision
1 a small steel ball bearing with a mass of 20.0 g is on a short compressed spring. when aimed vertically and suddenly
An image of a flower is produced on a screen by a lens 1.60 m from the screen. The image of the flower has a linear magnification of -2.5. What is the focal length of the lens?
Two 40 cm by 40 cm square plates is used to make a capacitor. They are separated by 0.50 x 10-6m of air. If the capacitor is connected to a 12 V battery, how much energy can it store?
A 2.0 kg mass is projected from the edge of the top of a 20mtall building with a velocity of 24m/s at some unknown angle abovethe horizontal. find the kinetic energy of the mass just before it strikes the ground
A projectile is fired with an initial speed v at an angle of 30 degrees above the horizontal from a height of 40meters above the ground. The projectile strikes the ground with a speed of 1.2v. Find v.
The nickel's image in the figure below has twice the diameter of the nickel when the lens is 2.71 cm from the nickel. Determine the focal length of the lens
What percentage of the final current I0 flows through an inductor L in series with a resistor R, three time constants after the circuit is completed
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