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A daredevil on a motorcycle leaves the end of a ramp with a speed of 36.0 m/s as in the figure below. If his speed is 33.8 m/s when he reaches the peak of the path, what is the maximum height that he reaches? Ignore friction and air resistance. m
Two blocks each of mass m = 3.70 kg are fastened to the top of an elevator, If the strings can withstand a maximum tension of 92.0 N, what maximum acceleration can the elevator have before the upper string breaks
Staring from rest, a hoop rolls without slipping down a long ramp. What is its translational speed when it's 5.0 m below its initial height, determine the hoop's translational speed
When red light in a vacuum is incident at the Brewster angle on a certain type of glass, the angle of refraction is 29.2°. What is the Brewster angle
A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. Find the magnitude of the tension in the monkey's arm
A potter's wheel (a solid, uniform disk) of mass 6.0kg and radius 25cm spins about its central axis with an angular speed of the wheel is 15rpm. Find the new angular speed of the system
An insulated Thermos contains 110cm3 of hot coffee at 90 °C. You put a 12g ice cube at its melting point to cool the coffee. By how many degrees has the coffee cooled once the ice has melted and equilibrium is reached? Care for the coffee as thoug..
What is the (a) “current” due to the electron orbiting in a circular path about the proton in a hydrogen atom? Take the orbital radius to be r = 0.0529 nm.] (b) What magnetic field strength does this “electron current” create at the proton locatio..
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this, find the average force on the truck driver from the seatbelt
Solar Energy Reaches the earth at the rate of about 1400 watts per sqaure meter of surface perpendicular to the direction of the sun. By how much does the mass of the sun decrease
An isolated conductor of arbitrary shape has a net charge of +1.30×10-5 C. Inside the conductor is a cavity within which is a point charge q = +3.25×10-6 C. What is the charge on the cavity wall
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.00°. Find the dispersion of the slab, which is defined as the difference in the angles of refraction for the two wavelengths
Suppose a 65 kg person stands at the edge of a 6.5 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1850 kg m2. Calculate the angular velocity of the turntable
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