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A 2100-kg truck traveling north at 41 km/hr turns east andaccelerates to 60 km/h.
(a) What is the change in the truck's kinetic energy?
(b) What is the magnitude of the change in the truck'smomentum (i.e., the magnitude of delta p)
(c) What is the direction of the change in the truck'smomentum (i.e., the direction of delta p)?
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t=0 (the switch is closed at this time). What is the charge on the capacitor at this time
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A wire loop of radius 0.1 m has a 2-ohm resistance. A uniform magnetic field perpendicular to the plane of the loop increases from zero to 2 T in 0.01 s
take a small perturbation to the keplerian potential. vr -vsub0r -deltavr4. calculate the phase shift over one orbit
First, set the mass of the star to 1.0 solar masses and click the "Auto" box. What is the lifetime of a Solar mass star according to this simulation
A single mass m1 = 4.5 kg hangs from a spring in a motionless elevator. The spring is extended x = 15.0 cm from its unstretched length. find the force the bottom spring exerts on the bottom mass
Explain the characteristics of supersonic motion and the formation of shock waves. Explain the formation of beats by the superposition of sounds of two closely spaced frequencies
A banked circular highway curve is designed for traffic moving at 85 km/h. The radius of the curve is 158 m. Traffic is moving along highway at 48 km/h on the rainy day. What is the minimum coefficient of friction between tires and road that would al..
A motion sensor and a force sensor record themotion of a cart along a track, as shown above. The cart is given apush so that it moves toward the force sensor and then collideswith it. Determine the mass of the cart.
Jeff of the Jungle swings on a vine that is 7.20 long. At the bottom of the swing, just before hitting the tree, Jeff's linear speed is 8.50. Find the magnitude of his tangential acceleration
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