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Question: The 2520 Olympic and Paralympic games are celebrated in Omicron Persei 8 (a planet very far away from Earth). When landing after a spectacular somersault, a 42-kg gymnast decelerates by pushing straight down on the mat. If the gymnast is exerting a force of -1386 N on the ground which results in her deceleration to be 7 times the acceleration due to gravity of that planet, what is the magnitude of the constant of gravity in Omicron Persei 8? Express your answer in m/s2. Express your answer with three significant figures. Note for clarification: a somersault is an acrobatic exercise in which a person's body rotates 360? around a horizontal axis with the feet passing over the head.
The deepest point in the ocean is in the Mariana Trench, about 11 km deep, in the Pacific. The density of seawater at the surface is 1.03 X 10^3 kg/m^3. Find its density at the bottom
How long will it take you to cover the 99 m length of the walkway if, once you get on the walkway, you immediately turn around and start walking in the opposite direction with a speed of 1.5 m/s relative to the walkway.
When a 9.36 kg block is placed on top of avertical spring, the spring compresses 4.03 cm. Find the force constant of the spring.
A rectangular loop of wire lies in the same plane as a straight wire. The current in the straight wire is 3.5 A to the left. The current in the loop is 3.5 A to the right (clockwise).
you have three 3.0 uf capacitors. two of the capacitors are in parallel and this parallel combination is in series with
A car is towing a boat on a trailer. The driver starts from restand accelerates to a velocity of +10.3 m/s in a time of 31 s. Thecombined mass of the boat and trailer is 409 kg. The frictionalforce acting on the trailer can be ignored. What is the te..
The Moon's diameter is about 3474 Km and is located 384,400 Km from Earth. What is the angular size of the Moon? Answer in (a) radians (b) degrees.
A skier with a mass of 59 kg starts from rest and skis down an icy (frictionless) slope that has a length of 44 m at an angle of 32° with respect to the horizontal.
Water flowing through a 3.0cm -diameter pipe can fill a 200L bathtub in 3.3min. calculate the speed of the water in the pipe
Which of Pluto's moons is farthest from the planet? How big is Dysnomia compared to its parent plant? Where can one find the most asteroids? When is a meteoroid termed a meteor? When is it termed a meteorite?
A simple pendulum has a length L and a mass m. At its highest point, the pendulum mass is 0.25L above its lowest point. What is the speed of mass when it is at its lowest point
A uniform magnetic field points north; its magnitude is 4.5 T. A proton with kinetic energy 7.1 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it
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