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An egg is thrown straight down at 1.4 m/s from a tall tower. Two seconds (2 s) later, a second egg is thrown straight up at 4.0 m/s. How far apart are the two eggs 4 s after the second egg is thrown? What is the minimum separation between the eggs and when does it occur? Ignore the effects of air resistance.
A 73cm long metal string under 35.0N tension has a linear mass density of 2.45x10^-4 kg/m. Find the frequencies of the first three harmonics
a boat capable of making 10.0 kmh in still water is used to cross a river flowing at speed of 4.0 kmh. the boat is
my kids came up with a form of tether ball where they attached a ball to a string and let it swing around the role.
tennis ball of mass 0.4Kg rebounds from a tennis racquet. What was the force experienced by the tennis racquet during it's time in contact with the ball
A thin circular hoop of mass 1.00 kg and radius 2.00 m is rotating round an axis during its center a perpendicular to its plane. It is slowing down at the rate of 7.00 rad/s2. What is the net torque acting on the hoop?
The excess internal energy of metabolism is exhausted through a variety of channels, such as through radiation and evaporation of perspiration. find the rate at which you lose energy by exhaling humid air
In a large centrifuge used for training astronauts and pilots, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. Evaluate the angular acceleration in the second training exercise
A golf club strikes a 0.041-kg golf ball in order to launch it from the tee. With what speed does the ball leave the club
A student sits at rest on a piano stool that can rotate withoutfriction. The moment of inertia of the student -stool system is4.1kg.m2.
two circular hoops with masses and radii in the ratios m2m14 and r2r14 rotate with angular speeds in the ratio ?2?12.
A blue puck with mass 0.0400 kilogram, sliding with a velocity of magnitude 0.200 m/s on a frictionless, horizontal air table makes a perfectly elastic, Determine the mass m of the red puck
The solid fuel of a 300.kg rocket travelling at 1.64x10^4 km/h is ignited to correct the rocket trajectory in mid-flight to Mars. what is the acceleration of the rocket (in m/s^2) at the start of this burn
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