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A hardworking ant must supply 0.00805 N to pull a small piece of fruit at constant velocity over a distance of 9.60 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 23.6° sloped hill is 0.480,
calculate the work done by the ant by pulling the piece of fruit up the hill.
Use the work-energy theorem to calculate the mass of the piece of fruit in grams. (The acceleration due to gravity is 9.81 m/s2.)
W= ___________ J
m=____________ g
A 15kg block is at the top of a smooth incline that is 20 degrees with respect to the horizontal and is 75 m in length. How far down the incline did it slide
A block of mass 2.0 kg is pushed against a vertical wall by a horizontal push (P) of 50.0 N. The block does NOT move. Assuming that the coefficient of the static friction, k, is equal to 0.60. Find the force AND the direction of the friction.
A ball is thrown from the roof of a 22m tall building with an initial velocity of magnitude 12 m/s and directed 53.1 (o) above the horizontal. What is the magnitude of the ball's velocity just before it hit the ground
A vacationer floats lazily in the ocean with 95% of his body below the surface. The density of the ocean water is 1025 kg/m3. What is the vacationer's average density
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
A double-slit experiment is set up using a helium-neon laser (?=633nm). Then a very thin piece of glass (n=1.50) is placed over one of the slits. How thick is the glass
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
a revolving car wheel has a radius of 15m and a mass of 3 X 10^4 kg. what torque needs to be applied to stop the car wheel in 15 sec
Find out the gravitational potential energy
George, Romeo's not often heard about older brother, was also quite in love with Juliet. One night he tried to climb a 10 m long, find the coefficent of friction between the ladder and the grass
A 8.00 nF capacitor is charged up to 14.0 V , then disconnected from the power supply and connected in series through a coil. Calculate the maximum charge on the capacitor
Physicist Robert Adair, once appointed the "official physicist to the National League" by the commissioner of baseball, What is the difference in wavelength of these sounds
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