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A box of mass 20 kg is sitting at the back of a Toyota Tundra which is travelling with a velocity of 35 mph. Find the coefficient of friction between the box and the truck so that the truck is able to stop within a distance of 20 m without the box sliding in the truck. (Use 1 mile = 1.609 km).
Find the kinetic energy of a sports car with a mass m = 2500 kg and travelling with a velocity v = 70 mph on the freeway (Use 1 mile = 1 .609 km).
A 1400 kg car carrying four 96 kg people travels over a "washboard" dirt road with corrugations 4.5 m apart. by how much does the car body rise on its suspension
The gravitational force between two electrons 1.00 m apart is5.42x10-71 N. Find the mass of an electron
the period t of a physical pendulum is measured about a certain pivot point a. the measurement is repeated varying the
a jet airliner moving initially at 300 mih due east enters a region where the wind is blowing at 105 mih in a direction
Suppose that the amount of heat removed when 1.6 kg of water freezes at 0.0 oC were removed from ethyl alcohol at its freezing/melting point of -114.4 oC. How many kilograms of ethyl alcohol would freeze?
A 0.58-kg object connected to a light spring with a force constant of 21.0 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
A cart of 0.5 kg hits a fixed cart of 1.5 kg with a velocity of 3 m/s in the north direction. Both carts get stuck together and move, What is the direction of the velocity vector
A 10.8 gram bullet is fired horizontally into a 100 gram wooden block initially at rest on a horizontal surface. obtain what the speed of the bullet before impact
A charged particle of mass m and charge q is suspended from a light thread in a region of space where there is a uniform horizontal electric field. find the angle between the thread and a vertical line
Can this acreage produce the combination 4000 bushels of corn and 500 pounds of beef? What does this combination suggest about the use of this acreage? (Use your graph to answer this question.)
1) which kind of bond is present in a substance that conducts electricity only when it is melted or when it is dissolved in water? a. van der waals forces b. metallic c. polar covalent d. ionic
A 11.0 kg monkey starts to climb a long rope to reach a banana located at a height of 6.50 m, Calculate the least amount of time the monkey could take to reach the banana without breaking the rope
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