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A flat (unbanked) curve on a highway has a radius of 240 meter. A car rounds the curve at a speed of 18.0 m/s. Find the minimum coefficient of friction that will prevent sliding?
A certain device in a 120 V circuit has a current rating of 20 A. Find the resistance of the device
A converging lens with a focal length of 17.9 cm and a diverging lens are placed 26.0 cm apart, with the converging lens on the left. What is the height of the final image
A photon of red light (wavelength = 710 nm) and a Ping-Pong ball (mass = 2.10 × 10-3 kg) have the same momentum. At what speed is the ball moving
Ultraviolet light of wavelength 223.4 nm illuminates an aluminum surface and electrons are ejected. A stopping potential of 1.27 V is able to just prevent any of the ejected electrons from reaching the opposite electrode. What is the work function fo..
Superman attempts to drink water through a very long straw.With his great strength he achieves maximum possible suction. Find the maximum height through which he can lift the water
A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an acceleration that would be crudely similar to gravity, what angular velocity would produce an "artificial gravity" of 9.80 m/s2 at the rim
A solid aluminum cylinder with density equal to 2700 kg/m3 has the weight equal to 0.66 N in air and the apparent weight of 0.22 N when immersed in an unknown liquid. What is the density of this liquid
A damped mass-spring system oscillates at 275-Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 3.20cm and the energy of the oscillating system is then 32 J.
Determine the equation for velocity of the particle as a function of time. Create a graph of velocity vs. time for the particle, for the time interval 0
a water storage tank is an upright cylinder of height 8 m and radius 6 m. The storage tank is full of water but is vented to the atmosphere. What volume flow of water is lost out the hole
The intensity of sunlight at the Earth's surface is about 1074.6 W/m2. What is the total power emitted by the Sun
An automobile travels on a straight road for 40.0 km [E] at 30.0 (km/h). It then continues in the same direction for another 40.0 km [E] at 60 (km/h). Estimate the average speed, distance, displacement, & average velocity for the trip.
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