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Starting from rest a motorist accelerate at 2.00 m/s for 8.00 second. then goes at constant velocity for 30.0 second. He then brakes for a red light and stops in 40.0 m.
a) Calculate the acceleration during braking.
b) Calculate the total distance covered in the sequence.
c) Calculate the total time taken from start to stop.
With an average mass of only 30.0 g, the ouse lemur of Madagascar is the smallest primate on the earth. What is the lemur's tangential speed at that point
What is the electric potential energy of the system? (Take as zero the potential energy of the three charges when they are infinitely far apart.)" Use = 8.85 10 12 for the permittivity of free space.
A polystyrene cup contains 0.229 L of water at 20.0 degrees C. A 0.148 kg mass of an unknown material is heated to 51.2 degrees C. The mass is carefully placed in the cup. The cup has a lid placed over it. The system at equilibrium has a temperature ..
Two forces act on a block of wood. The first force has a magnitude of 8.66 N in a direction 12.0 degrees counterclockwise from the positive x-axis, What is the magnitude of the resulting force
Two wires are separated by 3.0 cm and each is of length 1.5 m. They repel each other with a force of 4.0 N. The current in one wire is 5.0 A. find the current in the other wire
In a slow-pitch softball game, a 0.200-kg softball crosses the plate at 20.0 m/s at an angle of 40.0° below the horizontal. Determine the impulse delivered to the ball
the sun is lower in the sky during the winter than it is during the summer.a. how does this change affect the flux of
three liquids are at temperatures of 10 degrees c 20 degree c and 30 degrees c respectively. equal masses of the first
a pirate ship is locaed 560 m from a fort that is defening habour entrnce of an island a defense cannon at sea level fires cannon balls at 82 m/s. at what angle from the horizontal does the cannons hit
A square conductor of edge length .4m carries a clockwise currentof 10A. What are the magnitude and direction of the magneticfield at the center of the square? If this conductor wascircular in nature and carried the same current, what magneticfiel..
A 4-W night-light is plugge into a 120-V circuit and operatescontinuously for 1 year. Find the energy consumed in a year
a spherical cell is getting 50 of its requirements of some nutrient by diffusion across its membrane. after adhering to
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