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A basketball player makes a jump shot. The 0.600 kg ball is released at a height of1.90 m above the floor with a speed of7.00 m/s. The ball goes through thenet 3.10 m above the floor at a speed of 3.60 m/s. What is the work done on the ball by air resistance, a nonconservative force?
A sample of dry air has a temperature of 300 K, a volume of 3 liters and a pressure of 4 atmospheres. The air then undergoes the following changes: (a) it is warmed under a constant pressure to 500 K, (b) it is cooled under constant volume to 250 ..
A gas is enclosed in a container fitted with a piston of cross-sectional area 0.150 m2. If the internal energy of the gas decreases by 6.40 J, find the amount of heat removed from the system by heat during the compression
An alpha particle (alpha), which is the same as a helium-4 nucleus, is momentarily at rest in a region of space occupied by an electric field. What is the final velocity of the alpha particle
An object moves 2.27m in the +x-direction under the influence of a 141N force directed 41 degrees above the x-axis. Find the work done on the object
A can of paint (volume = 3.74 10-3 m3) covers an area of 40.0 m2. What is the thickness of the paint on the wall
A 56.0 kg ice skater spins about a vertical axis by her body with her arms horizontally outstretched, making 1.50 turns each second. The distance from one hand to the other is 1.5 m . Biometric measurements indicate that each hand typically makes ..
A mass of 6 kg lies on a horizontal, frictionless floor. A force of 85 Newtons pushes to the left (negative x direction) with a force of 85 Newtons. What is the magnitude of the unknown force in Newtons
An object is placed 12.2 cm to the left of a diverging lens of focal length -5.10 cm. Find the distance d that places the final image at infinity
A baseball batter sets up in the batting box and holds his bat still over the plate for a moment. How large is the torque exerted by the batter's hand on the bat
Mary observes damped oscillations of a glider on air track. she observed that the amplitude decreased to 30% of its original value after 12s
The stars ? Aurigae A and ? Aurigae B constitute a double-lined spectroscopic binary with an orbital period of 3.96 days. what are the masses of the two stars
A uniform electrical field is established by connecting the plates of a parallel-plate capacitor to a 11V battery. The plates of the capacitor are separated a distance 3.50 cm. What is the capacitance of this parallel plate capacitor
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