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A 25 kg suitcase is being pulled with constant speed by a handle that is at an angle of 22 degrees above the horizontal. If the normal force exerted on the suitcase is 180 N, what is the force F applied to the handle?
A baseball player hits a triple and ends up on third base. A baseball "diamond" is a square, What is the magnitude of his displacement
A spherical balloon is partially blown up and its surface area is measured. More air is then added, increasing the volume of the balloon. If the surface area of the balloon expands by a factor of 6.7 during this procedure, by what factor does the ..
The sun is 30 degrees above the horizon. It makes a 48 meter long shadow of a tall tree. How high is the tree
The main water line enters a house on the first floor. The line has a gauge pressure of 2.30 105 Pa. What is the gauge pressure at this faucet
Find out the magnitude of the centripetal force.
the planet mars requires 2.35 years to orbit the sun which has a mass of 2 times 1030 kg in an almost circular
A 5.01E+4 kg space probe is traveling at a speed of 12600 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed, What is the final speed of the probe?
Jumping up before the elevator hits. After the cable snaps and the safety system fails, an elevator cab free-falls from a height of 33.0 m. determine the magnitudes of the impulse
A ping pong ball of mass 100 grams travelling at 10 m/s hits a stationary bowling ball of mass 3 kg, head on. determine the final velocities of both balls
A piece of aluminum with a mass of 1kg and density of 2700 kg/m^3 is suspended from a string and then completely immersed in a container of water. Determine the volume of the aluminum
A large laser emits an intense pulse of light delivering an energy of 5020J in 1.28×10-2s. how many photons are emitted in this pulse
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the resonant absorption wavelength
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