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A 7.0 g bullet is fired into a 1.5 kg ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the block rises to a max height of 12 cm. Find the initial speed of the bullet.
A small rock with mass 0.12 is fastened to a massless string with length 0.80 to form a pendulum, find the tension in the string as it passes through the vertical
A certain satellite travels in an approximately circular orbit of radius 9.1 × 106 m with a period of 8 h 39 min. Calculate the mass of its planet from this information
Two point charges Q1=+5.00 nC and Q2= -3.00 nC are separated by 35.0cm. (a) What is the electric potential at a point midway between the charges? (b) What is the potential energy of the pair of charges? What is the significance of the algebraic si..
A 4.00 kg model rocket is launched, expelling 46 g of burned fuel from its exhaust at a speed of 590m/s. What is the velocity of rocket after the fuel has burned? Hint: overlook the external forces of gravity and air resistance.
Without taking the existence of the nebula into consideration, based on its apparent magnitude, how far away does the star in part (b) appear to be? What would the propotion error be in determining the distance if interstellar extinction were negl..
A satellite in a circular orbit around the earth with a radius 1.021 times the mean radius of the earth is hit by an incoming meteorite. Calculate the amount of that work converted to heat
A person in a car is driving down a straight road. The instantaneous acceleration is decreasing with time, What is happening to the speed of the car
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. find the distance between the cliffs
A 3100 kg cannon is mounted so that it can recoil only in the horizontal direction. Calculate the magnitude of its recoil velocity when it fires a 14.0 kg shell at 480 m/s at an angle of 20.0° above the horizontal
On a particular trial of a Milikan oil drop experiment a student found the following values for the charge q (in C).
Water flows at 0.25L/s through a 7.0-m-long garden hose 2.0cm in diameter that is lying flat on the ground. What is the gauge pressure of the water where it enters the hose
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