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A 0.155 kg projectile is fired with a velocity of +702 m/s at a 1.94 kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +42.9 m/s. Calculate the velocity with which the projectile exits from the block.
When you change the intensity of the light source to a very low level, what do you notice about the emitted photons? When you change the intensity of the light source to a very high level, what do you notice about the emitted photons
according to anna on earth bob is on a spaceship moving at 0.8c towards earth and carl a little farther out is on a
An eagle is flying due east at 8.9 m/s carrying a gopher in its talons. What is the magnitude of the gopher's velocity as it reaches the ground
Two point charges are separated by 25.0cm (see the figure (Figure 1) ). Suppose that q1 = 6.25nC and q2 = 12.0 nC. Discover the magnitude of the net electric field these charges produce at point A. Find the direction of the net electric field these c..
a 1.33 nc point charge is placed at one corner of a square 1.90 m on a side and a -5.91 nc charge is placed on the
A 144-g baseball moving 29m/s strikes a stationary 5.25-kg brick resting on small rollers so it moves without significant friction. Determine the baseball's speed after the collision
The ballistic pendulum was used to measure the speeds of bullets. It consists of a large block of wood of mass M = 5.4 kilogram, hanging from two long chords. Find the speed of bullet just prior to collision
a parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 3.00 and whose
An electron in a television picture tube travels at 3 x107 m/s and is acted on both by gravity and by theearth's magnetic field. Which exerts the greater force on the electron
Bob (m = 60kg) is wearing a sticky suit. Just as he reaches his desired speed of 6m/s, he reaches the edge of ice (assume the ice is frictionless) and collides with a large crate (m = 250kg). How elastic was the collision
To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below freezing. How much heat is released by the water when it freezes
A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle
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