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A massive steel cable drags a 20.0kg block across a horizontal, frictionless surface. A 115N force applied to the cable causes the block to reach a speed of 4.30m/s in 2.30s. What is the difference in tension between the two ends of the cable?
An 825-kg space vehicle is circling Earth in a circular orbit with a radius of 10,300 km. How much energy is required to accomplish this
To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the cornea-the front surface of the eye. Determine the radius of curvature of the cornea
When you see a traffic light turn red, you apply the breaks until you come to a stop. what was your average velocity during breaking
An airplane is flying with a velocity of 98.0 at an angle of 24.0 above the horizontal. How far from the dog will the suitcase land
A rotating flywheel can be used to store energy. if it is required to store 1.00 x 10^6 J of energy when rotating at 200 rad/s, what is the moment of inertia of the wheel
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform, How far from the axis can the button be placed, without slipping, if the platform rotates at 62.0
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 80 MW and lasts 4.1 ns. what is the total energy of the pulse
Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 µm. Find the peak magnetic field strength
To verify her suspicion that a rock specimen is hollow, a geologist weighs the specimen in air and in water. What fraction of the specimen's apparent volume is solid
A strip of paper is pulled along at 20m/s at a right angle to the plane of a .49m long pendulum. The pendulum has a small ink jet device to the bob so that it marks the position of the pendulum on the paper. The bob is held 8.0cm to one side and rele..
A skier starts from rest at the top of a frictionless incline of height 20.0 m, Find the skier's speed at the bottom
q1. suppose we had a rubber ball like the ones used for racquetball and put it inside a container with liquid nitrogen.
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