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A rubber ball (1kg ) falls from a height of 10 m and collide elastically with the floor what is the velocity of the ball as it rebounds from the floor
A rubber is subjected to a shear stress such that λx=l, λy=1. Obtain an expression relating the shear stress, and the shear strain, assuming shear strain=λ-1/λ. Comment on the difference between this stress/strain relationship and the one for simp..
A cylindrical chamber, open at the bottom, is to be submerged in the ocean and used as a diving chamber, What will be the height h of the air in the cylinder
An astronaut is taking a trip to a planet 20 c · years away from Earth. For the astronaut to age only 16 years through the journey how fast must she travel?
A stone is dropped from rest into a well. The sound of the splash is heard exactly 2.10 second later. Evaluate the depth of the well if the air temperature is 8°C
What is the speed of the probe when it is 2.9 × 106 m from Zero's center? The gravitational constant is 6.6726 × 10^-11 N· m2/kg2.
The Earth pulls down on you with a gravitational force that we call your weight. Do you pull up on the Earth with the same amount of force? Explain a few examples in which the force of friction exerted on an object is in the direction of motion of th..
One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate at potential, What is the potential of the second plate
Charge q1 = 1.4 µC is placed at the origin. Charge q2 = -1.8 µC is placed on the x axis 0.15 m away from the origin. Find the x component of the net electric force on q3
A lead ball is dropped into a lake from a diving board 9.98 m above the water. How deep is the lake
A 81-kg man steps out a window and falls (from rest) 1.2 m to a sidewalk. What is his speed just before his feet strike the pavement
Two charges, one of 2.50 µC and the other of -3.50 µC, are placed on the x-axis, Find the position on the x-axis where the net force on a small charge +q would be zero
A startled armadillo leaps upward rising 0.554 m in the first 0.190 s. What is its initial speed as it leaves the ground
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