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Solve the all parts of following problem:
Problem: An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. But she does have devices to measure distance and time accurately. She knows her own mass is 75.9kg, but she is unsure of the mass of a large gas canister in the airless rocket. When this canister is approaching her at 3.40m/s , she pushes against it, which slows it down to 1.30m/s (but does not reverse it) and gives her a speed of 2.10m/s .
Part A: What is the mass of this canister?
Part B: How much kinetic energy is "lost" in this collision?
I need help to find how much kinetic energy is "lost" in this collision.
A charging bull elephant with a mass of 5240 kg comes directlytoward you with a speed of 4.55m/s. You toss a 0.150 kg rubber ballat the elephant with a speed of 7.81 m/s.
From the top of a 70m building, you throw a ball straight up at 6m/s. The ball misses the building on the way down. what is the maximum height of the ball
An Atwood Machine consists of two blocks m1= 15 kg and m2= 23 kg connected by a masslessstring, What is the normal force on the pin supporting the pulley
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Consider the triangle of charges diagrammed below, for which d = 2 cm, q = 2 nC, and the +x-axis points to the right. What is the force on the 1 nC charge? Give your answer as a magnitude and a direction.
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, leaving the backs of the riders "plastered" against the wall. Assume the radius of the room is 3.25 m and the speed of the wall is 12.8 m/s when th..
Consider a closed triangular box resting within a horizontal electric field of magnitude E = 7.40x10^4 N/C, below.
A guitar string is fixed between two points, 53.0cm apart. Its linear density is 12.0g/m. Now suppose the string is vibrating in its third harmonic. What is the distance between nodes
The loaded car of a roller coaster has mass M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. What is the force (N) that the track must exert on the car
a mass at rest on a frictional metal flat circular plate radius 2m slides when the angle to the horizontal is raised
the forces exerted on the shoes and back of the 72-kg climber bythe walls of the chimney are perpendicular to the walls exertingthem. what is the magnitudeof the force exerted on his back
A hollow, conducting sphere with an outer radius of 0.252 m and an inner radius of 0.210 m has a uniform surface charge density of +6.57×10?6 C/m^2. find the new charge density on the outside of the sphere
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