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Q1. A child is riding across a rough field on a sled. Together, she and the sled have a mass of 73 kg. The sled is being pulled by her brother at an angle of 16º with a force of 356 Newtons. What is her acceleration if the coefficient of kinetic friction is 0.13?
Q2. Three identical masses of 610 each are placed on the x axis. One mass is at x1= -110, one is at the origin, and one is at x2= 430.
What is the magnitude of the net gravitational force on the mass at the origin because of the other two masses?
Take the gravitational constant to be G= 6.67×10-11.
Find out an angular momentum of the system
Establish an average acceleration
What is speed of the wind what is coefficient of static friction
He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters.
A very long non conducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries +5.50 C of charge. A proton is released from rest just outside the surface.
A 20 kg block is stacked on top of the 20 kg block. Both blocks are glued together. What is the magnitude F of force, acting horizontally on the two blocks, that is required to make the two blocks start to move.
What is magnitude of induced emf between the ends of beam
A 1600 kg car starts from rest at A, coasts 180m through a dip and comes to stop at B after coasting a distance d on level ground. If the rolling resistance is a constant force of 280N, conclude the distance d.
On a very muddy football field, a 100 linebacker tackles a 75 halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.9 north's and the halfback is sliding with a velocity of 7.9 east's.
In this week's video, Bill Goodykoontz talks about morality and ethics in pop culture. The freedom of speech and expression allows the variety of pop culture media to be released, which may sometimes be offensive material. Can pop culture still have ..
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.75 km/hr. The child is 0.560 km from shore and 0.750 km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximu..
The stirrer is used to stir the mixture until it reaches its last equilibrium temperature of 32°C. Analyse the mass of the aluminum cup.
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