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A 60 kg man is ice skating due north with a velocity of 6.0 m/s when he collides with a 38 kg child. The man and child stay together and have a velocity of 3.0 m/s at an angle of 35 degrees north of east immediately after the collision. What are the magnitude and direction of the child just before the collision?
What the stopping distance of the car is as measured from the point where the driver first notices the red light.
At what angle of incidence will green light (g = 560 nm) be most strongly reflected? Imagine the film has the minimum thickness that can produce these reflections.
Two capacitors, C1 = 6.00 µF and C2 = 14.0 µF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. Find the potential difference across each capacitor
A vertical scale on a spring balance reads from 0 to 185N . The scale has a length of 13.0cm from the 0 to 185N reading. what is the mass of the fish
A 10.5 kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Determine the tension in the string. Hint: take torques about the corner and assume any length for the board.
A 71-kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m. what is the normal force exerted by the snow on the skier at point B
An air conditioner is used to keep the interior of a house at a temperature of 25C while the outside temperature is 34C a)If heat leaks into the house at the rate of 11kW, and the air conditioner has the efficiency of a Carnot engine, what is the ..
A 0.22kg billiard ball traveling at a speed of 16m/s strikes the side rail of a pool table at an angle of 60?. what is the magnitude of the the change in its momentum
An unmanned spacecraft of mass 459 kg, is in a circular orbit around the earth, observing the earth's surface from an altitude of 58.3km. What is the period of the spacecraft's orbit
If a steel ball with half the mass of the steel ball you used in class was used, what would its initial horizontal velocity be
q1. two 75.0 w 120 rm v light bulbs are wired in series then the combination is connected to a 230 v supply. how much
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 580
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