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An object is launched with an initial velocity of 8.0 m/s to the horizontal from 327cm above the ground level. The object follows the trajectory Path and falls in to the water after 817ms. What is the final speed of the object?
1. how many individual atoms are in a water molecule?2. when a container of gas is heated what happens to the average
find out the magnitude of force exerted on the lower end of the boom by the hinge.
A child throws a snowball over a wall. The horizontal distance which the snowball travels is 3.83 m. Determine the initial speed of the snowball
The average kinetic energy per molecule of an ideal gas with originally Ni=1000 molecules is Kavg=500J. What is the final number of molecules Nf after this process
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1020 Hz. The bird-watcher, however, hears a frequency of 1060 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A sleigh and driver with a total mass of 120kg are pulled up a hill with a 15degrees incline by a horse, what is the power output of the horse
Two carts A and B of equal mass mA = mB = 0.622 kg are on an air track. Cart A is moving with speed vi = 0.95 m/s towards cart B which is at rest. What is the work done by non-conservative forces
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.80 s for the ball to reach its maximum height. Find the ball's initial velocity
A rider on a motorcycle that hass a mass of 195 kg is traveling with a speed of 24 m/s. What is the approximate total rational kinetic energy of the wheels
A 1000 kg car carrying four 76 kg people travels over a rough "washboard" dirt road with corrugations 4.0 m apart which causes the car to bounce on its spring suspension. The car bounces with utmost amplitude when its speed is 18 km/h. The car now ..
By calculation, determine the wavelength of three principal visible lines of hydrogen from energy transitions n=3, 4
A tree falls on a bicycle path 40 m ahead of a cyclist traveling at 16 m/s, how far from the fallen tree will she be when she stops
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