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A 2.4 MW laser produces a beam of light with a diameter of 2.6mm shines its light on a perfectly absorbing surface.
What is the radiation pressure exerted by the beam?
Express your answer using two important figures.
A flight attendant pulls her 61N flight bag a distance of 279m along a level airport floor at a constant velocity. The force she exerts is 41N at the angle of 50° above the horizontal.
a car at the indianapolis-500 accelerates uniformly from the pit area going from rest to 295 kmh in a semicircular arc
During the launch from a board, a diver's angular speed about her center of mass changes from zero to 4.50 rad/s in 220 ms. FIND the magnitudes of her average angular acceleration
an electron experiences the greatest force as it travels 1.7 106 ms in a magnetic field when it is moving southward.
You toss a conductive open ring of diameter d = 2.65 cm up in the air. The ring is flipping around a horizontal axis at a rate of 7.25 flips per second. What is the maximum emf induced in the ring
A golf ball leaves the tee at an angle of 42° from the horizontal and strikes the ground 240 yd, down range on a level golf course. How low long was the ball in the air
A28.0-kg block is initially at rest on a horizontal surface. A horizontal force of76.0N is required to set the block in motion, after which a horizontal force of57.0N is required to keep the block moving with constant speed.
The Large Hadron Collider, or LHC, to be completed later this year, accelerates protons around a nearly circular track of circumference 26.66 km to a momentum of up to 3.74e-15 kg m/s, For the same magnetic field as in part (a), what is the momentu..
A toy train with 1.2kg mass is moving at a stright line platform with the velocity 12m/s. It collides another toy train of 0.9kg mass with velocity of 7m/s. If e = 0.8, what is the velocity of each train after the collision.
A 0.75 mm diameter copper wire carries a small current of 3.5 µA. What is the drift speed of the electrons in the wire
The plates of a parallel-plate capacitor are 3.50mmapart, and each carries a charge of magnitude 75.0nC, What is the area of each plate
In 1911, Ernest Rutherford discovered the nucleus of the atom by observing the scattering of helium nuclei from gold nuclei. find how close will the helium nucleus come to the gold nucleus before it stops and turns around
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