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You are walking toward a plane mirror at a speed of 3 m/s.
(a) How fast is your mirror image moving relative to the mirror?
(b) How fast is your image moving relative to you?
An apple falls from a branch near the top of a tall tree. what is the apple's speed just before it hits the ground
At what angle does it leave the field region?
A circular hole in an aluminum plate is 3.263 cm in diameter at 0.000°C. What is its diameter (in cm) as the temperature of the plate is raised to 129.8°C? Give the answer to four significant figures. The linear expansion coefficient of aluminum i..
Protons in cosmic rays have been observed with kinetic energies as large 2.70 × 108 eV. How fast are these protons moving
Calculate the thermal de Broglie wavelengths for helium-4 (boson) and helium-3 (fermion) gases at T = 5K
Torque can be calculated by multiplying the force (N) applied at 90 degrees to the lever arm at a distance (m) from the pivot point (point of rotation), the compound SI unit for the torque is N*m. If the force (at 90 degrees to the lever arm) appl..
A wheel rotating about a fixed axis has an angular position given by q = 3- 2.0t3, where q is measured in radians and t in seconds. What is angular acceleration of the wheel at t = 2.00s.
A 0.6 kg block of ice is sliding by you on a very slippery floor at 3.5 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with ice block for 0.0035 seconds.
An ideal gas expands at a constant pressure of 2.9 atm from 435 mL to 709 mL. Heat then flows out of the gas, determine the total heat flow into the gas
Solar energy is incident on the pond at an average rate of 400 . If the water absorbs all the solar energy and does not exchange energy with its surroundings, explain how many hours will it take to warm from 15 to 25 ?
A race car starts from rest on a circular track of radius 515 m. The car's speed increases at the constant rate of 0.330 m/s2. determine the speed of the race car
A car travels at a constant speed around a circular track whose radius is 2.02 km. What is the magnitude of the centripetal acceleration of the car
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