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The strength of the gravitational field is dependent upon the mass of the planet you are standing on. If you are on the moon, which is 1.2% the mass of Earth, the value of the gravitational field is only 17% of that you would feel here on Earth.
You are on an alien planet. You drop a small rock so that air-resistance can be ignored. It hits the ground with a speed of 16.8m/s after a time of 2.5s. What is the value of the gravitational field in N/kgon this planet using the flat-earth approximation?
A golf ball of mass 0.045 kg is hit off the tee at a speed of 37m/s. The golf club was in contact with the ball for3.90×103s. Find the average force exerted on the ball by the golf club
The magnetic field in a radio wave traveling through air has amplitude 2.5 10-11 T and frequency 2.9 MHz. Find the amplitude and frequency of the electric field
A circus clown weighs 900 N. The coefficient of static friction between the clown's feet and the ground is 0.4. What is the minimum pulling force that the clown must exert to yank his feet out from under himself
A 1400-kg sports car accelerates from rest to 95km/h in7.4s What is the average prower delivered by the engine
If a 25-gram bullet with a speed of 330 m/s travels 15 cm into a tree before stopping, what's the average force exerted to stop the bullet
Two spherical objects have a combined mass of 150 kilogram. Calculate the mass of lighter object
The fiscal year of cramer company ends on december 31. Explain how much interest expense will cramer company report in its december 31, 2011 income statement?
In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 3.22 mm. What is the difference between these wavelengths
What are the maximum and minimum inductance, Lmax and Lmin, that define the range of inductance that is safe to use if the capacitor voltage is not to exceed 145V
two astronauts are 1.5 m apart in their spaceship. one speaks to the other. the conversation is transmitted to earth
In a hydrogen atom, the electron makes a transition from the n = 7 to the n = 2 state. What is the wavelength of the emitted photon
One can make a “dry ice bomb” by dropping a chip of dry ice (solid CO2) into a plastic 2-liter bottle of warm water and sealing the cap. The CO2 sublimates into gas, and the gas pressure ultimately blows the bottle apart. Assume that the 2.00-liter b..
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