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A stone is thrown horizontally at a speed of 5.0 m/s from the top of a cliff 78.4 m high.
1. How far from the base of the cliff does the stone hit the ground?
2. How long does it take the stone to reach the bottom of the cliff?
3. What are the horizontal and vertical components of the stone’s velocity just before it hits the ground?
16g of nitrogen gas at STP are adiabatically compressed to a pressure of 22 atm. What is the heat input to the gas
A 5.0-kg mass by an initial velocity of 4.0 m/s, east collides with a 4.0-kg mass with an initial velocity of 3.0 m/s, west. After the collision the 5.0-kg mass has a velocity of 1.2 m/s, south. What is the magnitude of the velocity of the 4.0-kg mas..
The Mars rover is moving along at a speed of 2 m/s (it knows how to motor!) in a straight line, and in its sights it spies a rock formation up ahead in its path, and it decides to stop precisely at the rock to investigate.
While running in a cross country meet, a member of women team of SJU dissipates about 0.35 Joule of mechanical energy per step per kilogram of her body mass. determine what is her mass
The speed of sound inhydrogen is 1330 m/s at 20°C (= 68°F = 293 K). A moleof hydrogen has a mass of 2.016 g. Find the dimensionless ratioγ for hydrogen if this speed of sound is correct and hydrogen behaves like an ideal gas.
a 500 g mass hangs at the end of a 40 cm long string. it is struck by a 250 g mass moving at 0.5 ms to the right.
25.0 moles of an ideal gas, at an initial pressure of 3.00 x105 N/m2 and an initial volume of 1.400 m3, Find the work done by the gas
Suppose 2.50 kg of 32 degrees C water is mixed with 9.30 kg of 65 degrees C water. If no heat is lost in this system, what is the final temperature of the water
In a double-slit experiment using monochromatic light, a screen is placed 1.20m away from the slits, which have a separation distance of 0.0280mm. Find the position of the second-order maximum
An electron ejected from an orbital of a diatomic molecule by 21.22 eV radiation was found to have a speed of 1.90 Mm s-1. To what ionization energy does that correspond?
A skater is initially spinning at a rate of 13.1 rad/s with a rotational inertia of 2.54 kg·m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.64 kg·m2?
a if a toaster is plugged into a source of alternating voltage with an rms value of 163 v an rms current of 8.29 a
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