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The three-toed sloth is the slowest moving land mammal. On the ground, the sloth moves at an average speed of 0.031 m/s, considerably slower than the giant tortoise, which walks at 0.077 m/s. After 10 minutes of walking, how much further would the tortoise have gone relative to the sloth?
A model rocket rises with constant acceleration to a height of 3.8 , at which point its speed is 26 m/s How much time does it take for the rocket to reach this height.
question a small sphere with a mass of 0.002g and carrying a charge of 510-8c hangs froma thread near a very large
Find out the force each hand exerts on the shaft when the shaft is rotating in the horizontal plane about its center at 5×10-2 {rm rev/s}.
Charge of uniform density (80 nC/m^3) is distributed throughout a hollow cylinder region formed by two coaxial cylindrical surfaces of radii 1.0 mm and 3.0 mm. Determine the magnitude of the electric field at a point which is 2.0 mm from the symmetry..
A space station is to provide artificial gravity to support long-term stay of astronauts and cosmonauts. It is designed as a large wheel, with all the compartments in the rim, how long should the motor fire
Three charges, +2.6 \mu C, -4.9 \mu C, and-7.2 \mu C, are located at (-0.21 m,0.12 m), (0.52 m, -0.35 m), and (-0.46 m,-0.34 m) respectively. What is the electric field at theorigin? Enter the x and ycomponents of the field separated by a comma.
A woman is walking up a mountain trail at a constant speed. Whileshe is walking she ingests a candy bar that supplies 745 Cal ofenergy. The work she does while climbing results in an increase ofgravitational potential energy of 469 Cal.
a boat traveling at a speed of 12km/h takes 36 minutes to travel 9 km down a river. How long will it take the boat to return to the starting point
A wooden raft has a mass of 47 . When empty it floats in water (density 1000 ) with 59% of its volume submerged. What mass of sand can be put on the raft without it sinking
What is the maximum tension. The gastrocnemius muscle, in the back of the leg, has two portions, known as the medial and lateral heads. Assume that they attach to Achilles tendon. The cross-sectional area of each of these two muscles is typically f..
an automobile having a mass of 1000 kg is driven into a brick wall in a safety test. the bumper behaves like a spring
A shopper in a supermarket pushes a loaded 28 kg cart with a horizontal force of 12N. How far will the cart move in 3.5s, starting from rest.
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