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At a market a bunch of bananas are set on a spring scale tomeasure their weight. The spring sets the bunch into an oscillatorymotion. The motion is harmonic with an amplitude of 0.731 m. Thespring scale has a force constant k=369 N/m. It is observed thatthe maximum speed of the bunch is 0.8321m/s. What is the massof the bananas?(ans in kg)
The work function for a metal surface is 5.22 eV. What is the largest wavelength of light in nm that will produce photoelectrons from this surface
A golf club strikes a 0.047-kg golf ball in order to launch it from the tee. With what speed does the ball leave the club
Calculate the acceleration of the arrow in the bow.
A boy throws up a ball 15m/s, how high will the ball go and what is the duration (total time) in the air from throw to catch
An airplane is flying with a velocity of 97.0 at an angle of 25.0 above the horizontal. while the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog ..
A long straight horizontal wire located on the equator carries a current. What direction should current be
A 2.9cm --diameter parallel-plate capacitor has a 1.6mm spacing. The electric field strength inside the capacitor is 8.0×104 V/m. How much charge is on each plate
Two resistors of wattage 100 W each is connected in series with a source. Find the total watage of load connected in circuit
A helium-neon laser (λ = 632.8 nm) is used to calibrate a diffraction grating. find the spacing between adjacent grooves in the grating
An astronaut constructs a pendulum with a length of 1 meter on a new planet. If the period is 3 second, what is the acceleration due to gravity
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.00×10^6 km, What is the total work done by the two tugboats on the supertanker
A ball is thrown straight up from a height of 1.56m above the ground and reaches a maximum height of 8.35m before falling to the ground. What the calls total time in the air
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