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A person jumps from the roof of a house 2.8 m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.70 m. If the mass of his torso (excluding legs) is 42 kg, find
(a) his velocity just before his feet strike the ground, and
(b) the average force exerted on his torso by his legs during deceleration.
A box of bananas weighing 40.0 Newton rests on a horizontal surface. If no horizontal force is applied to the box and the box is rest, find how large is the friction force exerted on the box
a block of mass m sliding on a frictionless table is attached to a horizontal string that passes through a tiny hole in
You access the roof of a building and throw a ball to the ground with an initial velocity of 12.0 m/s at an angle of 25.0° below the horizontal. At what time does the ball hit the ground
List the differences between radio waves and microwaves in terms of wavelength, wave frequency and health hazards this is the question why it wants more text i do not know
Suppose that the amplitude and frequency of the transverse wave, Find the total vertical distance (in cm) through which the colored dot moves in 3.8 s
Suppose a spaceship runs out of fuel near a star. The crew erects a square, white sail 7.06 km on a side, Find the temperature of the star's surface
An inductor, a capacitor, and a 64.0-? resistor are connected in series with an AC generator; the generator produces an RMS voltage of 90 V. what is the average power output of the generator
A diverging lens with a focal length of -27.5 cm is located 40 cm in front of an object 3 cm high. Find: (a) the image distance q, (b) the image size, h’, and the magnification, M.
a 0.15 kg. mass is attached to a vertical spring and descends adistance of 4.6 cm. below it's original position. What is the total extension of the spring
your friend rides a bicycle along the edge of a river starting at point a and riding east at a constant speed of vbike.
Write an algorithm for computing total flight time and the horizontal distance traveled by the cannon ball for the problem? with explanation.
You are designing the section of a roller coaster ride shown in the figure. Previous sections of the ride give the train a speed of 11.9 m/s at the top of the incline, FIND the minimum radius you can use for the semi-circular hump
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