Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q1. A straight 2.60 m rod pivots around a perpendicular axis so that it can swing freely in a horizontal plane. Jane pushes perpendicular to the rod at its midpoint with 98.0 N of force, directed horizontally, to make a torque. Matt has attached a rope to the end of the rod, and is pulling on it horizontally to create an opposing torque. The rope creates a 67.0° angle with the rod. With what force must Matt pull so that the net torque on the rod is zero?
Q2. The wavelength of the laser beam used in a compact disc player is 790 nm. Suppose that a diffraction grating produces first-order tracking beams 1.2 mm apart at a distance of 3.o mm from the grating. Approximation the spacing between the slits of the grating.
Q3. A 310 piano slides 3.5 down a 30 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effectual coefficient of kinetic friction is 0.37. Compute the work done by the man on the piano.
An object of mass 555 grams sitting on a plane inclined at 35 degrees doesn't slide. Now the plane is lifted to the angle of 50 degrees and the object slides down plane knowing that the coefficient of kinetic friction is 0.44, find out the coefficien..
While a woman stands with two feet on a scale, the scale reads 490 N. When she lifts one foot, scale reads more or less.
The temperature of the air in a resonator is 15°C, when a tuning fork vibrates at one end, the spacing between tow successive resonances is found to be 50 cm. find the frequency of the tuning fork.
A 128-cm-long pipe is stopped at one end. Near the open end, there is a loudspeaker that is driven by an audio oscillator, What is the lowest frequency of the oscillator that will produce resonance within the tube
During a snowmobile race our hero goes 16.7 km at 45 deg to the North of West (45 degrees above the -X). Then turns and goes 7.5 km due east. Then turns and goes 23 km at 40 degrees to the West of South (40 degrees to the left of -y).
A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m^3 in 15 min. If the tank is 40m above the ground and the efficiency of the pump is 30%
A diffraction grating has 1.5?m spacing. Find the first-order diffraction angles for the following wavelengths. Find the first-order diffraction angles for red light
A train engineer blows a whistle that has a frequecy of 4.0 X 10^2 hz as the train approaches a station. if the speed of the train id 25 m/s, what frequency will be heard by a person at station.
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 760 N person climb before the ladder begins to slip?
A small rubber ball is launched by a compressed-air cannon from ground level with an initial speed of 18.9 m/s directly upward. How long does it take to reach the maximum height
After hitting the wall, the ball is moving to the left at -28 i m/s. If the collision lasts .15s, what was the horizontal force exerted by the wall on the ball during impact
A block of mass 2.0 kg is pushed against a vertical wall by a horizontal push (P) of 50.0 N. Find the force AND the direction of the friction
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd