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A car can decelerate at -4.80 m/s2 without skidding when coming to rest on a level road. What would be the magnitude of its deceleration if the road were inclined at 13° uphill? Assume the same static friction coefficient. (m/s^2)
An Olympic long jumper is capable of jumping 8.2 m. Assume that his horizontal speed is 9.1 m/s as he leaves the ground. How high does he go
A spherical shell has an outside radius of 2.6cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70g/ cm3. The space inside the shell is filled with a liquid having a density of 1.23g/cm3.
The fastest land animal is the cheetah, which runs at a constant speed of 101 km/hr. The second fastest is the antelope, How far will the cheetah have travelled by this time
the refractive index of a transparent material can be determined by measuring the critical angle when the solid is in
A parallel plate capacitor is constructed with Teflon(dielectric constant is 2.1) between the plates. What charge is stored on the plates
Gas is confined in a tank at a pressure of 9.5 atm and a temperature of 24.5°C. what is the pressure of the gas remaining in the tank
The planet Saturn has a satellite, Titan which travels in anorbit of radius 1.22E9m with a period of 15.95 days. Calculate the mass of saturn from this information
An air bubble has a volume of 1.49 cm3 when it is released by a submarine 110 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
q1. a coin is placed 12.0 rm cm from the axis of a rotating turntable of variable speed. when the speed of the
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 30 MW and lasts 2.9 ns. How many photons are emitted in this pulse
You need a 2m long wire to carry a current of 10 mA, but you can find only a 1m copper wire with resistance 1 milli-ohm and a 1m wire made of some other metal. this second wire has the same length and diameter as the first wire but a resistance of..
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