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at time t = 0 s, a puck is sliding on a horizontal table with a velocity 3.60 m/s, 35.0* above the + axis. As teh puck slides, a constant acceleration acts on it that has the following components: ax = -0.360 m/s^2 and ay = -0.980 m/s^2. What is the velocity of the puck at time t = 1.50 s?
what was the cars original kinetic energy? after the car has stopped, what is the change in temperature of the brakes and wheels?
A roller coaster seat exerts a normal force of 120N on a 40kg passenger at the apex of a vertical loop. what is the speed of the coaster
(a) How many times does PSR 1937+21 rotate in 77.0 days? (b) How much time (in s) does the pulsar take to rotate 5.00 × 106 times and (c) what is the associated uncertainty, in s?
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
How does the frequency of harmonic motion change if we take a spring of seven times the modulus, increases or decreases by a factor of how much
A basketball player makes a jump shot. The 0.520-kg ball is released at a height of 1.90 m above the floor with a speed of 7.13 m/s, What is the work done on the ball by air resistance, a nonconservative force
A 1 pF capacitor is connected in parallel with a 2 pF capacitor, the parallel combination then being connected in series with a 3 pF capacitor. Which capacitor has the greatest charge
A cargo plane is flying horizontally at an altitude of 11.5 km with the speed of 820 km/h when a large crate falls out of the rear loading ramp. (Ignore any effects due to air resistance.)
Four Identical masses of 500.0g are placed at the corners of a square, distance 0.50 m apart. Find the magnitude of net gravitational force exerted by three masses
A boy of mass 50 kg runs up a hill of vertical height 300 m in 20 minutes. calculate the work he does climbing the hill
A baseball pitcher can throw a ball with a speed of 40. He is in the back of a pickup truck that is driving away from you. He throws the ball in your direction, and it floats toward you at a lazy 30. What is the speed of truck.
On a cool morning, when the temperature is 14 degrees C, you measure the pressure in your car tires to be 30 psi. After driving 50 mi on the freeway, temperature of your tires is 52 degrees C.
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