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A robot probe drops a camera off the rim of a 239 meter high cliff on Mars, where the freefall acceleration is -3.7m/s^2.
a. Determine the velocity with which the camera hits the ground?
b. Determine the time required for it to hit the ground?
A radio transmitting station operating at a frequency of125 MHz has two identical antennas thatradiate in phase. Antenna B is 11.0 m to the right of antenna A. Considerpoint P between the antennas and along the line connectingthem, a horizontal di..
A ball of radius 0.200 m rolls with a constant linear speed of 3.60 m/s along a horizontal table. What is the angular displacement of the ball while the ball is in the air
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Calculate the radius a of the iron core
A wooden raft has a mass of 67 kg. When empty it floats in water (density 1000 kg/m3) with 51 percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
Mechanical advantage is the ratio of the force required without the use of a machine (sometimes very simple machine) to that needed when using the machine.
A motor has coils with a resistance of 26 Ω and operates froma voltage of 240 V. When the motor is operating at its maximumspeed, the back emf is 111V.
a tennis ball is thrown from ground level with velocity v0 directed 30 degrees above the horizontal. if it takes the
A 220 g block hangs from a spring with spring constant 12 N/m. At t=0;{rm s} the block is 31cm below the equilibrium point and moving upward with a speed of 89.0 cm/s. What is the block's distance from equilibrium while the speed is 30 cm/s.
If a 4-engine jet accelerates down the runway at 5m/s2 and 3 of the jet engines fail, how much acceleration will the other one produce.
An object is held up by two ropes. rope 1 makes an angle of 65 degrees above horizontal and the tension in it is T1 = 26N. rope 2 makes an angle of 32 degrees above horizontal and the object is in equilibrium. what is the tension in rope 2 (T2) an..
An astronaut on the Moon fires a projectile from a launcher ona level surface so as to get the maximum range. what is the range of the projectile
For the infinite square well problem an electron spends 40% of its time in the n=3 state and 60% of its time in the n=5 state. Write down an expression for its wave function in terms of the eigenfunctions [(2/L)^1/2]*sin(n*pie*x/L) . What is the aver..
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