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A dart having mass m moving horizontally imbeds in the target of mass M hanged by a wire of length l and mass u. i) Determine the initial speed of the dart v if instantly after impact the target recoi
A satellite is orbiting around the Earth at a distance of 3.31RE and having a speed of 3.59 km/s. With what speed would the satellite strike the Earth's surface if someway it all of a sudden stopped
The hoop rotates at constant rate of 4rev/s around a vertical diameter. Evaluate: (i) The distance from bead to the axis of rotation in vertical equilibrium.
The second object, twice as tall as the first one, is positioned in front of the mirror, however at a different position. The image of second object has the similar height as the other image. Determ
You wish for to use the similar galvanometer as a voltmeter by joining it via a series resistor to voltage source. A 1.0 V source generates full scale deflection of the meter. Determine the value of
Explain how tall can the column be if the stress in it at any point is not to surpass one half the maximum values? The weight density of the concrete is around 2.30 x 104 N/m3.
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?
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
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?
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?
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
The potential difference across the 0.9 µF capacitor then falls to 2 V. Determine the capacitance of the second capacitor?