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You are standing on the surface of a small spherical moon whose radius is 6.30 × 104 m and mass of 8.00 × 1018 kg. An astronaut throws a rock of mass 5.00 kg straight upward with a speed 20.0 m/s. (This Moon is too small to have an atmosphere.) What maximum height above the surface of the Moon will the rock reach?
A particle moves along the x-axis. Its position varies with time according to the expression x(t) = -6t + 5t2, where x is in meters and t is in seconds. Find the instantaneous velocity of the particle
A square plate has a side length of 1.2 m. An applied torque of 300 N•m gives the plate an angular acceleration of 4.8 rad/s2 about an axis through the centre of the plate
A big dog has a torso that is approximately circular, with a radius of 16cm. What is the ratio of this force to the weight of a droplet
A 22 kg brick is completely submerged insaltwater and displaces an amount of saltwater weighing 11.7 N. Determine the buoyant force on the brick
Unpolarized light is incident on a series of two Polaroid sheets. The intensity of the light emerging from the second sheet is 18.4 percent of the intensity of the light incident on the first sheet. Find out the angle between the transmissions axe..
A proton with v=440 m/s is moving through a region in which the magnetic field is B=2.6T. what angle does the proton's velocity make with B
what is the magnitude of the net force acting on ball.
Water is supplied to an office building 41.5 m high through a pipe at ground level. Find the minimum pressure in the supplypipe so that water can reach the top floor of the building.
Lead has a greater density than iron, and both are denser than water. Is the buoyant force on each one the same? Explain
After a day of testing race cars, you decide to take your own 1550 kilogram car onto the test track. Find the average net force that you have applied to the car during the 10 second interval
A satellite of mass 310 kg is launched from a site on the Equator into a circular orbit at 8000 km above Earth's surface. DATA: Rearth=6.38×106 m. a) What is the acceleration of gravity at this altitude? b) What is the speed of the satellite? c) What..
bloodhound a 1000 mph super-sonic car can accelerate from a standing start to 1000 mph in less than 42s. during this
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