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Solve the following question given below:
Question: An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of +10 m/s and measures a time of 18.6 s before the rock returns to his hand.
Part A: What is the acceleration (magnitude and direction) due to gravity on this planet? (Indicate direction by the sign of the acceleration.)
Please show work and steps to find the acceleration (magnitude and direction) due to gravity on this planet I think I have the answer just not positive.
A young hockey player stands at rest on the ice holding a 1.3-kg helmet. The player tosses the helmet with a speed of 4.6 m/s in a direction 9° above the horizontal, and recoils with a speed of 0.22 m/s. Find the mass of the hockey player.
An inductor, a capacitor, and a 64.0-? resistor are connected in series with an AC generator; what is the average power output of the generator
Sound propagating during air at 30 degrees Celsius passes through a vertical cold front into air that is 4.0 degrees Celsius. if the sound has a frequency of 2400 Hz, by what percentage does its wavelength change in crossing the boundary?
A 15.0N package of whole wheat flour is suddenly placed on the pan of a scale such as you find in grocery stores. If the pan has negligible weight, find the maximum distance the spring will be compressed
A 0.38 kg iron horseshoe that is initially at 580°C is dropped into a bucket containing 21.8kg of water at 21 °C. What is the final equilibrium temperature (in °C)? Avoid any heat transfer to or from the surroundings. Do not enter units.
7 Volt potential difference is applied between the ends of a 0.80 millimeter diameter, 70 centimeter long nichrome wire, Find what is the current in the wire
A 2150 kg satellite is in a circular orbit 780 km (780 x 103 m) above the surface of the earth. What is the gravitational force on the satellite due to the earth? What is the speed of the satellite in its orbit? What is the period of the orbit?
in living tissue about one out of every 10-12 carbon atoms are the 14c isotope. if you were to discover a human bone
The potential difference among the plates of a capacitor is 170 V. Midway between the plates; a proton and an electron are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate with an initial..
A planet of mass m = 7.85 × 1024 kg is orbiting in a circular path a star of mass M = 4.35 × 1029 kg. The radius of the orbit is R = 8.15 × 107 km. What is the orbital period (in earth days) of the planet Tplanet?
Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. Illustrate what is the change in the car's kinetic energy, ΔKE = KEf - KE0, fro..
A string with a length of 3.0 m has two adjacent resonances at frequencies 112 Hz and 140 Hz. What is the wavelength of the first harmonic
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