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Solve the all parts of given problem:
Problem: Two friends enter the Boston marathon. The first friend runs at a constant speed of 0.500 m/s. The second friend holds a speed of 1.00 m/s.
Part A: How far ahead is the second friend after 2.00 hours?
Part B: If the second friend promises to stop after 2 hours and wait for his slower friend to catch up, how many hours would he be waiting once he stops?
I want help to find how many hours would he be waiting once he stops.
A 700 kilogram car stopped at an intersection is rear-ended by a 1770 kilogram truck moving with a speed of 14.0m/s. evaluate what the final speed of the truck
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A wheel initially rotating at an angular speed of 2.4 rad/s turns through 30 revolutions during the time, How long did the acceleration last
A laser beam is incident on two slits 0.100 mm apart and a screen is placed 4 m from the slits. what is the wavelength of the laser light
A ball is thrown with a velocity of 31m/scat and angle of 30degrees above the horizontal. How far does it travel if it is caught at the same height it was released
A man is pulling his box that has a mass of 22 kg. What is the work done on the luggage by the lady, What is the power exerted on the box by the man
A large power plant converts 1000 kg of water to steam every second to run its generators. Compute the amount of heat required each second just to vaporize the water, assuming this is done at 100 C. What is the power input in megawatts for this pu..
The loaded cab of an elevator has a mass of 3.0 x10^3 kg and moves 236 m up the shaft in 23s at constant speed. At what average speed does the force from the cable do work on the cab?
The boiling point of water at 1 atm is 373 K. What is the volume occupied by water gas due to evaporation of 12 g of liquid water at 1 atm and 373 K
while a system is taken from state a to state b in the figure below the path acb, 84.0 of heat flows into the system and 57.0 of work is done by the system.
A photon of energy E interacts with an electron at rest and undergoes pair production, producing a positive electron (positron) and an electron (in addition to the original electron): photon + e+e+ + e+ + e?. The two electrons and the positron move o..
The turbine and associated rotating parts of a jet engine have a total moment of inertia of 29 kg m2. The turbine is accelerated uniformly from rest to an angular speed of 140 rad/s in a time of 32 s.
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