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An 8 g bullet leaves a gun at 700 m/s.?
(a) what is the maximum height that this bullet could reach (ignoring air resistance)?
(b) If the gun is aimed at an angle of 30 degrees above the horizontal what height will the bullet reach (again ignoring air resistance)?
A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top ofthe incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline
A proton accelerates from rest in a uniform electric field of 690 N/C. At one later moment, its speed is 1.30 Mm/s, Find the acceleration of the proton
A weightlifter bench-presses a 170.0 kg barbell from his chest to a height equal the length of his arms 0.750 m. What is the potential energy of the barbell relative to the weightlifter\'s chest after he lifts the barbell
A bicycle wheel is rotating at 45rpm when the cyclist begins to pedal harder, What is the wheel's angular velocity, in rpm, 8.0s later
Two balls undergo a perfectly elastic head-on collision, with one ball initially at rest. If incoming ball has a speed of 200 m/s. What is the final speed of the incoming ball if it is much more massive than stationary ball.
A thin hemispherical shell of radius R has a uniform surface charge, Find the electric field at the center of the base of the hemispherical shell
The velocity of the car at the end of the fifteen-second period is +20.6 m/s. The ratio of the average acceleration values is a1/a2 = 1.50. Find out the velocity of the car at the end of the initial ten-second interval.
A man pushing a mop across a floor causes it to undergo two displacements. The first has a magnitude of 150 cm, Find the magnitude and direction of the second displacement
A spider hangs from a strand of silk whose radius is 4.0*10^-6m. Thedensity of the silk is 1300kg/m^3. determined the mass of the spider
A 1 cm3 air bubble at a depth of 209 meters and at a temperature of 4 oC rises to the surface of the lake where the temperature is 18 oC, what is its new volume
While on a camping trip, you would like to carry water from the lake to your campsite. You have two non-identical buckets which you attach to a 1.35 m long rod. Which bucket holds more water
A boat has a mass of 5220 kg. Its engines generate a drive force of 4480 N due west, What is the boat's acceleration
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