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A 71.0kg football player is gliding across very smooth ice at 2.00m/s . He throws a 0.420kgfootball straight forward.
What is the player's speed afterward if the ball is thrown at 18.0m/s relative to the ground?
What is the player's speed afterward if the ball is thrown at 18.0m/s relative to the player?
Two resistors, 48.8 and 60.5?, are connected in parallel. The current through the 60.5-? resistor is 3.72A, What is the total power supplied to the two resistors
The temperature of 3.00 mol of an ideal diatomic gas is increased by 40 degrees C without a change in pressure, How much energy is transferred to the gas as heat
A 0.300 kg ball is thrown vertically upward with an initial speed of 16.0m/s. What is the maximum height reached by the ball
Black oil reservoirs at 250 deg F+, can there be oil cooking going on releasing some of the light and or intermediats that result in some disequilibreum under reservoir conditions (Pb vs depth could be as high as 70 psi/ft)
A hydrogen atom is in its first excited state n=2. Using the Bohr theor yof the atom, calculate linear momentum of the electrons
An electron and a positron, each moving at 3.0 x 10^5m/s, collide head on, disappear, Determine the energy and momentum of each photon
A 1050kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes car to bounce on its spring suspension.
You are working on the analysis of rocks brought back from the Moon, What is the density of the rock
The equation of a transverse wave traveling along a very long string is y = 6.5 sin (0.045 ?x + 6.0 ?t), Determine the amplitude of propagation of the wave
the snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
An airplane is making a turn with a given radius in a circle. The lift force (given) is exerted perpendicular to the wings. What is the angle that the wings make with the horizontal
Three horizontal forces (the only horizontal ones) act on a box sitting on a floor. One (call it F1) acts due east and has a magnitude of 150lb, Find the magnitude of the third force
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