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A gas expands from a volume of 100L to 250L whereas the pressure alters according to the relation P=aV^2, where a = 2.00 N/m^8. Determine how much work is done by the gas throughout the expansion?
Standing waves on the string are produced by oscillations having amplitude 0.005 m, angular frequency 942 rad/s and wave number of 0.750p rad/m. i) Write down the equation of the standing wave?
If kinetic energy is conserved in the elastic collision, such that KE before = KE after, use triangle to visualize equivalent point in conservation. KE = ½ mv2. Determine equivalence equation
Sphere A consists of a mass m and is moving with velocity v (along + x-axis). This makes a head-on elastic collision with a stationary sphere B of mass 2m. After the collision, the speed of sphere B
A satellite of 1.20 kg mass on a horizontal spring oscillates on the frictionless surface having a displacement as a function of time given by x(t) = 0.075cos(4.16t – 2.45). (Units are standa
After moving forward 2.1 meters, second protractor reading is 80°. If the height is around 1.5 meters, find height of hill from ground?
A satellite of 2150 kg is in the circular orbit 780 km (780 x 103 m) above the surface of the earth. i) Find out the gravitational force on the satellite due to the earth?
A spinning disk of mass 5.0 kg and radius 0.25m is rotating about an axis via its center at 400 rev per min. i) Determine the angular velocity of the disk in rad/s?
Determine single complex data point required to make the regular seven sided polygon, with side lengths of 3 units.
A glider of 0.150 kg is moving to the right (+x) on a frictionless, horizontal air track having a speed of 0.80m/s. It consists of an elastic collision having a 0.300 kg glider moving to the left (
A block of ice of 8.00 kg begins at rest and slides down a 1.50 m long frictionless ramp angled at 35° from the horizontal. i) Determine the acceleration of the block down the ramp?
Sally drives a car of 1000 kg wishing to raise her speed from 20 m/s to 30 m/s in 5 s. Find out the horsepower needed to achieve this augment. Avoid friction.
The object of height 3.12 cm is located 11.6 cm from the diverging lens of focal length -11.6 cm. Sketch a ray diagram to determine the height and position of the image.
An object of 2.67 cm high is located 37.0 cm in front of the concave mirror with a 3.65 cm focal length. Determine the position of the image?
The Sorry State Lottery needs you to choose five different numbers from 0 through 41. Find the probability that you are either Big Winner or Small-Fry Winner?
John shoves a block of 0.50-kg from the bottom of a frictionless 30.0° inclined plane. He performs a work of 4.0 J and the block slides a distance s all along the incline before it stops. Find o
A capacitor of 30 µF is charged to 88 V and is then joined across a 440 ? resistor. i) Determine the initial charge on the capacitor? Answer must be in units of µC.
A mass of 2 kg is held 4 m above the ground. Determine the approximate potential energy due to gravity of the mass with respect to the ground?
A disk having radius R consists of a uniform surface charge density. By regarding the disk as a series of thin concentric rings, compute the electric potential V at a point on the disk's axis a dist
A toaster is rated at 600W when joined to a 120-V source. Determine the current which the toaster carry, and what is the resistance?
The sound intensity of 1.4x10-12 J/m2s is a threshold of hearing for the humans. Determine the amplitude of the motion of air molecules when the speed of sound in the air is 331 m/s and the density
As the station rotates, an astronaut in chamber A is moved 1.51 x 102 m all along a circular arc. Explain how far all along a circular arc is an astronaut in chamber B moved throughout the same time
What quantity of drug is in body right after third tablet? The 32th? Suppose you continue taking tablets, what occurs to drug level in long run?
The potential difference across the 0.9 µF capacitor then falls to 2 V. Determine the capacitance of the second capacitor?
(i) Determine the shortest time between flashes of light which will make a three-bladed propeller appear stationary if it is rotating with an angular speed of 25.7 rev/s?