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To warn his captain of the approaching army, a scout takes his bow and shoots a burning arrow straight vertically into the sky. The arrow is accelerated with 512 m/s^2 along a 1 meter length, while the bow relaxes.
What is the velocity of the arrow when it leaves the bow?
How high will the arrow fly, assuming its speed leaving the bow would be 40 m/s?
Transverse waves with a speed of 48.7 m/s are to be produced on a stretched string. What is the required tension in the string
Question: Field and force with three charges? What is the electric field at the location of Q1, due to Q 2 ?
A block of ice weighs 100 N. You can lift the block vertically a distance of 2 m. You can also push the same block up a ramp that is 4 m long, What is the increase in the block's gravitational potential energy in each case
How long could the rocket hover just above the earth's surface and sHOW THE VELOCITY OF THE PARTICLE ALFA IS RHO ALFA OMEGA in the phi direction.
The coefficient of kinetic friction
The average lifetime of a muon is about 2 µs. Estimate the minimum uncertainty in the rest energy of a muon
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. What is the mass of this canister
A solid disk is rotating about an axis with uniform angular velocity. another disk, with the same moment of intertia about the rotation axis, how is the new angular velocity related to the old one
A 33.6 m length of copper wire at 23?C has aradius of 0.19 mm . The resistivity of copperis 1.7 × 10?8 ? m, determine the current in the wire
A mode-locked, titanium-sapphire laser has a wavelength of 850 nm and produces 100 million pulses of light each second. What is the average power produced by the laser
As the crate is sliding down the ramp, you find out the washer is at rest with respect to the crate when the string makes an angle of 73 with the top of the crate.
Electrons in a photoelectric effect experiment emerge from an aluminum surface with a max kinetic energy of 1.30 eV. What is the wavelength of the light
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