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A block with mass m = 7.9 kg slides down an inclined plane of slope angle 10.0 ° with a constant velocity. It is then projected up the same plane with an initial speed 4.40 m/s. How far up the incline will the block move before coming to rest?
One way to attack a satellite in Earth orbit is to launch a swarm of pellets in the same orbit as the satellite but in the opposite direction. Suppose a satellite in a circular orbit 360 km above Earth's surface collides with a pellet having mass ..
A plane leaves the airport in Galisto and flies 175 km at 68.0^circ east of north and next changes direction to fly 260 km at 48.0^circ south of east, after which it makes an immediate emergency landing in the pasture.
What effect will increase in temperature from 25 degree Celsius to 32 degree Celsius of the metal metre stick have on the measurement of the dimension of rectangular block? Why are corrections not generally essential for this effect.
The first puck is deflected 35.8° to the right and moves off at 0.331 m/s. Find out speed of the second puck after the collision.
An artillery shell is launched on a flat, horizontal field at an angle of ? = 37.8° with respect to the horizontal and with an initial speed of v0 = 277 m/s. What is the horizontal distance covered by the shell after 9.26 s of flight? What is the ..
The number of electrons in a copper penny is approximately 10*10^23, How large would the force be on an object if it carried this charge and were repelled by an equal charge one meter away?
You are on a bridge which is a height 30m above the water. You first drop a ball and then 1.5 seconds later throw a second ball down so that both balls hit the water at the same time.
In a head on collision, a car stops in .10 seconds from a speed of 14 meters per second. The driver has a mass of 70 kg, and is, fortunately, tightly strapped into his seat. What force is applied to driver by his seat belt during that fraction of ..
Estimate mean and maximum velocities for a liquid
What is the horizontal distance the airplane engine falls. find out the time that was recorded on Earth.
If the activation energy for the vacancy formation is given as 0.77 eV for aluminium at (650 degrees Celcius) ^3, what would be the number of vacancies at 650 degrees Celsius? The atomic weight and the density of aluminium is 26.98 g/mol and 2.62 ..
A rock of mass 34 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 248 N. Elucidate what is the magnitude of the acceleration of the rock?
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