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How fast do you have to throw a 1.0 kg object from the earth's surface so that this object makes it halfway to the moon before turning around? (Neglect air resistance, even though that is a terrible approximation.) How much slower is this than the earth's escape velocity?
Two blocks of masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find a relation between the variables that would guarantee that the block is initially slowing down
In all cases the distance d between the charges is the same. The magnitude of the charges is |q|= 1.3 µC, and the distance between them is d = 2.9 mm. Determine the magnitude of the net force on charge 2 for each of the three drawings.
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530 nm. What is the work function of this material?
A uniform disk turns at 3.9 around a frictionless spindle. A nonrotating rod, of the same mass as the disk and length equal to the disk's diameter, is dropped onto the freely spinning disk . They then both turn around the spindle with their centers s..
A bullet of mass m = 25 g is fired into a wooden block of mass M = 4.5 kg. The block is attached to a string of length 1.5 m. The bullet is embedded in the block, causing block to then swing.
Determine the tension in the cables and accelerations of block A and B and Calculate the acceleration of the 100-lb cylinder.
The drawings show three charges that have the same magnitude but different signs. In all cases the distance d between thecharges is the same. The magnitude of the charges is|q|=8.8 μC, and the distance between them isd=6.2 mm. Determine the magnitude..
Obtain grand mean and unadjusted means for the ANCOVA model where covariate, "xc", Treatment, "a", response, "y" are considered and calculate adjusted means given the estimates
In an amusement park ride called The Roundup, passengers stand inside a 16.0 -diameter rotating ring. Suppose the ring rotates once every 5.40 . If a rider's mass is 57.0 , with how much force does the ring push on her at the top of the ride
Evaluate the momentum of an electron moving with each of the subsequent speed 0.014c
q1. a rifle with a barrel length of 60 cm fires a 12 g bullet with a horizontal speed of 360 ms. the bullet strikes a
Two charges which are equal in magnitude, but opposite in sign, are placed at equal distances from point A. How does the electric potential energy of the charge collection change
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