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An object undergoing simple harmonic motion has a maximum acceleration of 85.29 m/s2 and a maximum speed of 1.44 m/s. Find the period T.
when an aluminum object is fully submersed in a pool of oil with density 700 kgm3 and place on a scale at the bottom of
four identical metallic objects carry the following charges 1.19 6.73 -4.26 and -9.98c. the objects are brought
Suppose 1.86 kg of water at 14.4C is mixed with 2.28 kg of water at 79C. After equilibrium is reached, the mixture has an uniform temperature of 49.9768C. What is the change in entropy of the system? The speci?c heat of water is 4186 J/kg · K.
You throw a ball straight down from an apartment balcony to the ground below. The ball has an initial velocity of 4.95 m/s, Find the height of the balcony
A golfer drives a 0.046kg golf ball from an elevated tee, giving the ball an initial horizontal velocity of 45 m/s. (a) what is the magnitude of the average force exerted by the club on the ball if the contact time for the golf club on the ball du..
You clamp a straight ramp of length 51 cm making an angle of 18.0° with the horizontal table top, What time elapses from when the car leaves the ramp until it reaches the floor
A converging lens with focal length of 6.0cm is placed 8.0 cm to the right of a diverging lens of focal length of -4.0 cm. A .4 cm tall object is placed 4.0 cm in front of the diverging lens
the siren of a fire engine that is driving northward at 30.0 m/s emits a frequency of 2000 Hz. A truck in front of this fire engine is moving northward at 20.0 m/s. what frequency does the truck driver hear
Metal disks are initially spinning on cushions of air, in a standard rotational dynamics apparatus. What is the final angular velocity of the two disks
A stone tosses at an angle of 60 degrees to the horizontal from the roof of a building at 10 m/s hits the ground in 3s. how far from the building did it land
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.90 m/s at an angle of 15.0° below the horizontal. Find the height from which the ball was thrown
In an experiment to study magnetic induction , in the North Pole of a permanent magnet is moved left to right toward a coil having 20 turns at a constant speed of 20 cm/s. find Is the voltage positive or negative
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