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What is the magnitude of the centripetal acceleration needed to make a car follow a curve of radius 500m at a speed of 25.0 m/s (about 56mph)? Compare the acceleration with that of gravity for this fairly gentle curve taken at at highway speed. Show ow work and formula for credit
The platform has a radius of 5 meters and at time=0, the angular velocity is rad/s and the angular acceleration is 0.5 rad/s. determine the velocity and the acceleration
Both spacecraft are initially at rest. Explain how far does the starship move as it pulls the shuttlecraft aboard?
Two coils of wire are located close together. Initially, a current of 3.73 Amp exists in one of the coils, but there is no current in the other. Find the mutual inductance of the two-coil system
A 2.0mm diameter ball bearing has 2.0 x 109 excess electrons. What is the ball bearing's potential
Another particle, of mass 7.4 10-27 kg, moves along the positive x-axis with a speed of 4.0 106 m/s. (Assume that mass is conserved.) Evaluate the third particle's speed. What is the direction of motion?
A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. find the kinetic energy of the carbon nucleus after the collision
A certain "brand new" (never-used) 1.5 volt cell contains40mC of charge. What is the amount of electricenergy "stored" in the cell in joules
A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 2080 J of kinetic energy, What is the mass of the bullet
a proton moves perpendicular to a uniform magnetic field at a speed of 1.55 x 107 ms and experiences an acceleration of
A copper ball with a radius of 1.47 cm is heated until its diameter has increased by 0.198 mm. Assuming an initial temperature of 21.3°C, calculate the final temperature of the ball
A wheel is made of two solid metal disks glued together. Thecombined moment of inertia of the wheel is 452 kg-m^2. What is the mass of the wheel (both disks are made of the samemetal)
The sound level in decibels is typically expressed as ? = 10 log (I/I0), but since sound is a pressure wave, the sound level can be expressed in terms of a pressure difference. Intensity depends on the amplitude squared, so the expression is ? = 2..
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