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Q1. How much would an 80.0 kg person weight (a) on Mars, where an acceleration of gravity is 3.93 m/s2, and (b) on Earth's Moon, where the acceleration of gravity is 1.63 m/s2?
Q2. A 172 ball is tied to a string. It is pulled to an angle of 3.30 and released to swing as a pendulum. A student with a stopwatch finds that 15 oscillations take 18.5.
Q3. A 220 g air-track glider is attached to a spring. The glider is pushed in 12cm against the spring, and then released. A student with a stopwatch finds that 16 oscillations take 11.5.
The hemisphere is placed on its flat surface, with the center directly over a 2.5 mm long line drawn on a sheet of paper. What length of line is seen by someone looking perpendicularly down on the hemisphere?
The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
A 9.05 kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the projectile-Earth system by 77.5 kJ throughout the projectile's ascent. How much higher would the projectile have gone were air drag negligible.
How much work done against force of gravity
What is momentum of the block
Agree on the mass of the earth knowing that the mean radius of the moon's orbit about the earth is 248,910 mi and that the moon requires 28.32 days to complete one full revolution about earth.
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
When these two wires are connected in equivalent to the same battery, describe the reasoning of the steps that allow you to find out which of these wires will consume the greater amount of power by warming up and dissipating this energy as heat.
Evaluate maximum altitude?
Find the total work done on the car
Establish the initial volume of the gas . What is the magnitude of normal force that each brake pad applies to the rim.
Find out ratio of the detector
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