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Problem: In a grocery store, you push a 12.3-kg shopping cart with a force of 12.2 N. If the cart starts at rest,
Part A: How far does it move in 2.40 seconds?
Any expert will able to provide correct answer for the above problem.
Yellow-green light(wavelength 550nm) passes through two closely spaced very narrow slits, what is the wavelength for that second source of light.
An astronaut at rest on Earth has a heartbeat rate of 70 beats/min. When the astronaut is traveling in a spaceship at 0.87c, what will this rate be as measured by the following. An observer also in the ship
Two bicycle tires are set rolling with the same initial speed of 3.40m/s along a long, straight road, What is the coefficient of rolling friction r for the tire under low pressure
Your roommate is working on his bicycle and has the bike upside down. He spins the 64 -diameter wheel, what is the pebble's speed and acceleration
On a distant planet, golf is just as popular as it is on earth. On the distant planet, what is the maximum height of the ball
A 2.90 x 102 Newton force is pulling a 90 kilogram refrigerator across a horizontal surface. Compute the work done by the pulling force
A 2.30-g bullet embeds itself in a 1.30-kg block, which is attached to a spring of force constant 780 N/m. If the maximum compression of the spring is 5.80 cm , find the initial speed of the bullet.
A new absolute temperature scale is proposed that has exactly 150 degrees between the freezing point and normal boiling point of water. What is the temperature on the new scale at the freezing point of water
A heavy rainstorm dumps 1.0 cm of rain on a city 4 km wide and 10 km long in a 2-h period. (A) How many metric tons (1 metric ton = 103 kg) of water fell on the city? (1 cm3 of water has a mass of 1 gram = 10-3 kg.) Answer in tons and (B) How many ga..
A piece of a cloth is found to contain 15% of the C-14 present in a similar material today. How old is this cloth
Two small metal spheres with masses 2.0 {rm g} and 4.0 {rm g} are tied together by a 5.3-{rm cm}-long massless string and are at rest on a frictionless surface. Each is charged to +2.3 mu C. What is the energy.
A 200-kg roller coaster car travels over the top of a 40-m high hill (Hill A) traveling at 10 m/s. find the speed of the car at the top of the second hill
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