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Michael Jordan, formerly of the Chicago Bulls basketball team, has some fanatic fans. They claim that he is able to jump and remain in the air for two full seconds from launch to landing. Evaluate this claim by calculating the maximum height that such a jump would attain. For comparison, Jordan's maximum jump height has been estimated at about one meter.
A proton accelerates from rest in a uniform electric field of 628 N/C. At some later time, its speed is 1.10106 m/s. What is its kinetic energy at the later time
A rod supports a 2.35 kg lamp. a) What is the tension in the rod? b) Estimate the components of the force that the bracket exerts on the rod.
An ideal refrigerator utilizes a Carnot cycle operating between 0 degree C and 26 degree C. How much energy must be supplied to the refrigerator
In an experiment, light of wavelength 600 nm falls on two slits which are spaced at a distance of .5 mm. What is the distance of the slit to the screen
A pickup truck has a width of 78.3 in. what magnitude emf is induced between the driver and passenger sides of the truck
A ball is thrown straight up by a student at rest on the surface of Earth. A graph of the position y as a function of time t, in seconds, is shown above. Air resistance is negligible. What is the initial speed of the ball?
Assume the car is moving at 72 km/hr when the brake pedal is applied. Assume that the radius of the wheel is 15 cm. What is the maximum power.
a ball with mass 1kg is dropped from a height of 6m. the ball is caught by a person 2m above the ground. calculate the potential energy of the ball relative to the ground
question springs having stiffness k 2k 4k 8k 16k and so on are tied in series. find the effective stiffness of the
Illustrate what is the frictional force acting on the disk? The disk will slide off the turntable if it is located at a radius larger than 16 cm from the axis of rotation. What is the coefficient of static friction?
A hot air balloon has just lifted off and is rising at the constant rate of 1.70 m/s. How high is the passenger when the camera reaches her
Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, What percentage is the earth's speed around the sun
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