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Question: The velocity of a 1.9 kg block sliding down a frictionless inclined plane is found to be 1.53 m/s. 1.90 s later, it has a velocity of 7.04 m/s.
Part A: What is the angle of the plane with respect to the horizontal (in degrees)?
I need help to find the angle of the plane with respect to the horizontal.
A boy and a girl are balanced on a massless seesaw. The boy has a mass of 75 kg and the girls mass is 50 kg. If the boy sits 2.0 meters from the pivot point on one side of the seesaw, where must the girl sit on the other side?
A person is riding a bicycle, and itswheels have an angular velocity of +25.0 rad/s. What is the angular acceleration of each wheel
A charged particle moves in a uniform magnetic field of 0.817 T with a period of 2.13 × 10-6 s. Find its charge-to-mass ratio.
Three equal point charges, each with charge 1.15 , are placed at the vertices of an equilateral triangle whose sides are of length 0.600 . What is an electric potential energy of the system? (Take as zero the potential energy of the three charges ..
A bicycle wheel of radius 0.30 m is spinning at a rate of 60 revolutions per minute. What is the centripetal acceleration of a point that is 0.14 m from the outer edge of the wheel?
A polar bear of mass 436 kg stands on an ice floe 58.10 cm thick. What is the minimum area of floe that will just support the bear in saltwater of density of 1030 kg/m3? The specific gravity of ice is 0.88.
When a certain spring is stretched by an amount x, it produces a restoring force of F(x) = ax=bx^2, where a and b are constants. How much work is done through an external force in stretching the spring by an amount D from its equilibrium length.
Spaceships of the future may be powered by ion-propulsion engines in which ions are ejected from the back of the ship to drive it forward. What is the velocity of the ions relative to the earth
Two kids are playing on a teeter totter at the park 10 feet long. If the kid on the left is 57 pounds and the kid on the right is 70 pounds. How far from the left kid should the fulcrum be placed to balance the kids?
A ball of mass M and radius R starts from rest at a height of h = 1.73 m and rolls down a ? = 25.8° slope, What is the linear speed of the ball when it leaves the incline
When she leaves the track, she follows the characteristic path of projectile motion. Ignoring friction and air resistance, find out the maximum height H to which she rises above the end of the track.
q1. an airplane is flying with a velocity of 92.0 ms at an angle of 23.0circ above the horizontal. when the plane is a
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