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Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.8 seconds, then what is the acceleration and what is the distance that the sled travels?
Chris jumps off a bridge with a bungee cord (a heavy stretchable cord) tied around his ankle as shown in the figure . He falls for 15 before the bungee cord begins to stretch. Chris's mass is 70 kg and we assume the cord obeys Hooke's law, , with k=5..
Astronauts use a centrifuge to simulate the acceleration of a rocket launch, What is the astronaut's tangential acceleration during the first 20.0s
A 500 lines per mm diffraction grating is illuminated by light of wavelength 510nm. How many diffraction orders are seen
44.3 kg of ice is melted into water then raised to a temperture of 354.8 K. How much energy is needed to complete this process
The motion of a very massive object is hardly affected by what would seem to be a substantial force. Consider a supertanker, with a mass of 2.7×10^8 kg. find what will be the magnitude of its acceleration
A +18 µc charge is 15 cm to the right of a -12 µc charge. What is the force on the positive charge
A 39.00 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.00 m-long string. The balls undergo a head-on, perfectly elastic impact, after which the 110 g ball swings out to a highest angle th..
An 854 kg (1887 lb) dragster, starting from rest, attains a speed of 27.1 m/s (60.7 mph) in 0.59 s.
A thin film of water sits on top of a flat piece of glass, and light is incident from below, what is the angle of refraction of the final outgoing ray
Which best describes the total mechanical energy of a system in simple harmonic motion? A. zero as it passes the equilibrium point B. zero when it reaches the maximum displacement C. a maximum when it passes through the equilibrium point D. consta..
0.550-kg glider, attached to the end of an ideal spring with force constant k = 440 N/m, undergoes SHM with an amplitude 0.040 m. Compute the maximum speed of the glider
An isolated capacitor of unknown capacitance has been charged to a potential difference of 119 V. Calculate the unknown capacitance
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