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Q1. For safety in climbing, a mountaineer uses a nylon rope that is 69 m long and 1.0 cm in diameter. Whilst supporting a 96-kg climber, the rope elongates 1.4 m. Find its Young's modulus.
Q2. A 52 kg student is standing on a 26 kg cart that is free to move in any direction originally, the cart is moving with a velocity of 1.2 m/s [S] relative to the floor. The student then walks on the cart and has a net velocity of 1.0 m/s [W] relative to the floor.
Use the vector diagram to determine the estimated final velocity of the cart.
Find out line linking the two point charges
How much is the spring compacted
What was an initial speed of the ball
What is the speed of the water leaving the nozzle
W hat is crates acceleration
Find out the acceleration of the sled and child
A 100-kg halfback running north with a speed of 12 m/s is tackled by a 110-kg opponent running south with a speed of 4.0 m/s. If collision is completely inelastic and head-on, compute the speed of the players just after the tackle.
What is the acceleration of the truck. If it starts 4.50 m from the lower edge of the roof, how fast would the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 18.0 N.
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
The lens has a refractive index of 1.30. Find out the difference Δx in the positions where each crosses the principal axis.
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
Considered frequency and draw the nodal maps
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