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A child throws a penny off of the Eiffel tower (h = 324 m) with a downward velocity of magnitude V0 = 11 m/s.Calculate the time t, in seconds, that it takes for the penny to fall.t = ____
Find the speed at which the penny strikes the ground Vf, in meters per second, using the initial velocity, V0, and the drop distance, h.
It is common in pump design and manufacturing to make use of dimensionless coefficients that relate to pump power WW_ P, pressure rise Dp, and discharge Q.
The balance wheel of a watch oscillates with angular amplitude 0.90? rad and period 0.68 s. Find the maximum angular speed of the wheel
A certain light bulb has a tungsten filament with a resistance of 19 ohms when at 20 degrees celsius and 140 ohms when hot. Find the temperature of the hot filament
A small airplane needs to reach a speed of 280 km/h to take off. (a). What is the minimum length of a runway in m that can allow the plane to takeoff if it accelerates at the rate of 3.80 m/s2? (b) How much time does the plane take to reach that s..
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.175 s, elucidate what is the average force exerted on the ball by the wall?
In Dallas, the morning after a winter ice storm, a 1400 kg automobile going west on Chestnut Street at 34.0 km/h collides by a 2800 kg truck going south across Chestnut Street at 52.0 km/h. If they become coupled on collision, what are the magnitude ..
You want to design a capacitor capable of storing 4.0 x 10-7 C of charge. Compute the limit of the separation of the plates
suppose that a particle accelerator is used to move two beams of particles in opposite directions. in a particular
Two forces parallel to the x axis do 18.6 J of work on a small tray while moving it 23.9 m in the x direction across a gym floor. One of the forces has a value of +3.53 N in the x direction. What is the other force?
a winch is used to drag a 295n crate up a ramp at a constant speed of 84.0 cms by means of a rope that pulls parallel
you are designing a delivery ramp for crates containing exercise equipment. the crates of weight 1510 n will move with
The inside temperature of a house is 65 degrees F. When the temperature outside is 35 degrees F, what is the fuel consumption of the furnace
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