Magnitude of the acceleration due to gravity
What must the charge (sign and magnitude) of a particle of mass 1.45 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 620 N/C? Use 9.8m/s/s for the magnitude of the acceleration due to gravity.
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A 2.50 kg block is in equilibrium on an incline of 31.6?. The acceleration of gravity is 9.81 m/s2. What is Fn of the incline on the block?
An ideal gas occupies 329 cm3 at 20°C. At what temperature will it occupy 980 cm3 if the pressure remains constant? New temperature in Celsius?
A 80 kg astronaut pushes off against a 640 kg satellite producing a force of 120 N for .5 seconds. What is the acceleration of each object during the push? what is the final velocity for each object, and how far apart are they at .5 seconds?
A 0.16 kg block on a horizontal frictionless surface is attached to a spring whose force constant is The block is pulled from its equilibrium position at to a displacement and is released from rest. The block then executes simple harmonic motion
Sound traveling in air at 23°C enters a cold front where the air temperature is 2°C. If the sound frequency is 1500 Hz, determine the wavelength in the warmer air and in the colder air.
A 220 g block hangs from a spring with spring constant 12 N/m. At t=0;{rm s} the block is 31 cm below the equilibrium point and moving upward with a speed of 89.0 cm/s. What is the block's distance from equilibrium when the speed is 30 cm/s?
The 2-kg collar C is free to slide along the smooth shaft AB. Determine the acceleration of collar C if (a) the shaft is fixed from moving and (b) collar A is subjected to an acceleration of 2 m/s2 to the left. In all cases, the motion occurs in t
If a person can jump a horizontal distance of 3.0 m on Earth, how far could the person jump on the moon, where the free-fall acceleration is g/6 and g = 9.81 m/s2?
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