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The masses of the earth and moon are 5.98*1024 and 7.35*1022 kg, respectively. Identical amounts ofcharge are placed on each body, such that the net force(gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on each body?
A jet boat pumps high-velocity water horizontally out the rear to provide forward thrust. A 1500-lb jet boat pumps 25.0 gal/s of water while traveling at 30.00 mph. The water exits the rear of the boat with a velocity of 70 mph.
q1. a force does 150 j of work when it acts on a moving object and its direction is in the identical direction as the
What are speed and direction of the ball after the collision
Starting from rest, a 4.80-kg block slides 2.00 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is ?k = 0.436. Determine the work done by the friction force
The temperature of a copper bar rises by 10.0°C when it absorbs 2.03 kJ of energy by heat. The mass of the bar is 525 g
The work function for copper is 4.70 eV. Find the cutoff wavelength for copper
A container is filled to a depth of 18.0 cm with water. What is the absolute pressure at the bottom of the container
each day the average family use 100kg of hot water to kill bacteria the water going into the tank at 20degc must be
A jetliner is moving at a speed of 274 m/s. The vertical component of the plane's velocity is 54.0 m/s. Conclude the magnitude of the horizontal component of plane's velocity.
The work function of tungsten is 4.50 eV. Calculate the speed of the fastest electrons ejected from a tungsten surface
Two loudspeakers face each other, vibrate in phase and produce identical 416 Hz tones. A listener walks from one speaker toward the other at the constant speed and hears the loudness change.
A 250 g piece of ice at 0°C is placed in 430 g of water at 22°C. What is the final equilibrium temperature of the system
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