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You took a job as a space station scientist. On a spacewalk you get separated from the station. You are throwing a 0.71-kg wrench at a speed of 15 m/s in the opposite direction than the space station. At what speed will you move back toward the station? Assume that your total weight on earth, including the space suit, is 244 lbs.
The ball rolls off the edge and falls a vertical distance of 2.00 m before hitting the floor. Illustrate what is the angular displacement of the ball while the ball is in the air?
A 9.40kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 69.5kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
At what rate is the flywheel spinning while the power comes back on. How long after the beginning of the power failure would it have taken the flywheel to stop if the power had not come back on.
A 46g marble moving at 2.3m/s strikes a 24g marble at rest. What is the speed of the first marble immediately after the collision
A drop of water on a countertop reflects light from a flower held 3.10 cm directly above it. What is the focal length of the water drop
A parallel plate capacitor has a capacitance of 4.5 µF when filled with a dielectric. What is the dielectric constant of the dielectric
Ann is driving down a street at 53km/h. suddenly a child runs into the street. If it takes Ann 0.709s to react and apply the brakes, how far will she have moved before she begins to slow down? Answer in units of m.
How greatly time elapses before the compass hits the ground
A car goes round a flat curve at a speed of 32 ms-1. If the radius of the curve is 200 m, find the minimum value for the coefficient of friction so that the car can go around the curve without skidding.
The pilot of an airplane travelling 170 wants to drop supplies to flood victims isolated on a patch of land 200 below. The supplies must be dropped how many seconds before the plane is directly overhead.
Assume the magnitude of the charge of particle is 100 mC, its mass is 0.03 g and its velocity is 2000 m/s, What is its radius of curvature of particle in the magnetic field
A steel guitar string 50 cm long has a mass density of 1.5 g/m and the tension is 500 N. Find the frequency of the second harmonic
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