Find velocity with which camera hits ground
A robot probe drops a camera off the rim of a 338 m high cliff on mars, where the free-fall acceleration is 3.7 meters per second ^2. Find the velocity with which it hits the ground. answer in units of m/s.
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A toy train is pushed forward and released at x_0 = 2.0 m with a speed of 2.0 m/s. It rolls at a steady speed for 2.0 s, then one wheel begins to stick. The train comes to a stop 6 m from the point at which it was released. What is the magnitude
Write the displacement vector from aircraft 1 to aircraft 2 in "cylindrical" coordinates. That is, write a 3-component vector (r, θ, z) whose first two components are the polar coordinates of the horizontal displacement between the planes, a
A 23 kg child sits in a swing supported by two chains, each 1.6 m long. The acceleration of gravity is 9.8 m/s2 . If the tension in each chain at the lowest point is 203 N, find the child's speed at the lowest point.
A 400kg ruck is moving with a velocity of 40km/h.it is stopped 25m beyond the point at which the brakes are applied. Find the retarding force
Where the free-fall acceleration is 3.7 meters per second ^2. Find the velocity with which it hits the ground. answer in units of m/s.
A pair of speakers separated by 0.900 m are driven by the same oscillator at a frequency of 672 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers. (Assume the sp
The nuclide 55Ca has a half-life of 2.737 years, decaying by electron capture to 55Mn. Find the mean life and the decay constant for this radionuclide. A source of this isotope has an activity of 0.900 mCi. Find the activity remaining after the e
The pilot of an airplane traveling 250 km/h wants to drop supplies to flood victims isolated on a patch of land 170 m below. The supplies should be dropped how many seconds before the plane is directly overhead?
A 69.0 {rm kg} person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.50 {rm m} away. The pillar at the end of the board exerts a downward force of 818 {rm N}. How far from that pillar is the
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