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A 5 kg block starts with an initial speed of 8 m/s up a ramp and comes to rest after 3s. The ramp is at a 30 degree angle.
a) Ignoring friction, how far will the block g?
b) What is the work done by friction?
c) What is the coefficient of the kinetic friction?
A wrench is placed at 30 cm in front of a diverging lens with a focal length of magnitude 10 cm. What is the magnification of the wrench
Dizziness. Our balance is maintained, at least in part, by the endolymph fluid in the inner ear. Spinning displaces this fluid, causing dizziness, What is the radical acceleration (in m/s^2) of the endolymph fluid
A ball of mass 5 Kg is freely falling from the roof of a 11 m tall building. What is the impact force when the ball hits the ground
The reflected sound is then mixed with the transmitted sound and 90 beats per second are detected. The speed of sound in body tissue is 1480.
Two balls attached to strings have the same mass and volume, but are made of different materials. Which ball excerts a geater net force on the block
Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.5 cm-3, and their speed is 657 km/s. Find the current density of these protons
An air-track glider attached to a spring oscillates between the 10 cm mark and the 60 cm mark on the track. The glider completes 10 oscillations in 48 s. What is the maximum speed of the glider
question1astronomers detect a large asteroid that far away but still heading toward earth at 754 ms. a straight
When a second pipe is played at the same time, a 1.40 Hz beat note is heard. By how much is the second pipe too long.
Suppose a gas-filled incandescent light bulb is manufactured to have atmospheric pressure in it at 20.0°C. Find the gauge pressure inside such a bulb when it is hot
A uniform linear charge density of 4.0nC/m is distributed along the entire x-axis. Determine the electric flux through this surface
One mole of a monatomic gass initially at 273 K and 1 atm is compressed isothermally (T constant) from volume 22.4 L to 11. 4 L, Find the final pressure and draw a PV diagram, Labeling the initial and final states 1 and 2
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