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The permeability of the free space is around 12.56 x 10^-7 Tm/A Determine the current in the solenoid if it consists of 40 turns/cm. Answer must be in units of mA.
An object of 2.3 kg traveling at 6.1 m/s collides head-on with an object of 3.5 kg traveling in the opposite direction at 4.8 m/s. When the collision is perfectly elastic, find out the final speed o
The two ice skaters push off against one other beginning from a stationary position. The 45 kg skater acquires a speed of 0.375 m/s. Determine what speed does the skater of 60 kg acquire?
Determine the ice cube released, what distance will it travel up the slope prior to reversing direction?
A golf club applies an average force of around 1000 N on a golf ball of 0.045 kg which is primarily at rest. The club is in contact with the ball for around 1.8 ms. Determine the speed of the golf b
A 120 ball moving to the right at 4.0 catches up and collides with the 430 ball which is moving to the right at 1.2. i) When the collision is perfectly elastic, find out the speed of the 120 ball afte
Determine by what fractional amount should the player of the viola having the lower frequency raise the tension in his string to make its frequency similar to that of the other viola? Suppose that t
A jet of water squirts out horizontally from a hole close to the bottom of the tank. When the hole consists of a diameter of around 3.50 mm, determine the height h of the water level of the tank?
On an actual ocean wave, what do the period and the crest of the wave in reality represent? What does the positive and negative amplitude of the sine wave and the zero point stand for in the physica
A weightlifter curls a bar of 30 kg; increasing it each time a distance of 0.60 m. Determine how many times should he repeat this exercise to burn off the energy in one slice of pizza?
Determine the net moment of inertia of the two disks? Provide your answer in kg*m2 in scientific notation three significant digits.
(i) Determine the speed of the water leaving the end of the hose. (ii) A nozzle is now joined to the end of the hose. When the nozzle diameter is 1/3rd the diameter of the hose, find out the speed o
A projectile is shot from the Earth’s surface by means of a very powerful cannon. When the projectile reaches a height of 35,000 m above the surface of Earth, determine the speed of the projec
A point source of light illuminates an aperture 2.00 away. A bright patch of light of 14.0 wide appears on a screen 1.00 at the back of the aperture. Determine how wide is the aperture (in cm)?
An object having mass 4 kg begins at rest from the top of a rough inclined plane of height 10 m. When the speed of the object at the bottom of the inclined plane is around 10 m/s, determine how much
Avoiding any external forces which act on the cars throughout the collision, find out the velocity of the cars instantly after the collision?
A plane wave having wavelength 540 nm is incident on the slit having a width of a = 0.45 mm. A thin converging lens having focal length +70 cm is positioned among the slit and a viewing screen and
The mass of one object is around 1.00 kg and the mass of the other is unidentified. The center of mass of the system is on the rod a distance 1.80 m from the object of 1.00 kg mass. Determine the ma
What occurs to the block if the steel object is substituted by yet other steel object having a mass greater than 0.310 kg?
A bowling ball encounters a vertical rise of 0.760 m on the way back to the ball rack. Avoid frictional losses and suppose that the mass of the ball is distributed evenly. The translational speed of
(i) Evaluate the height of the hill? (ii) Released from rest at the similar height, a can of frozen juice rolls to the bottom of the similar hill. Determine the translational speed of the frozen jui
A cyclist does work at the rate of around 500 W while riding. Determine how much force does her foot push with if she is traveling at 8.0 m/s?
The length of each and every rod is 0.75 m, and the angular speed is around 5.6 rad/s. Determine the kinetic energies of rod A with its joined particle and of rod B.
Evaluate the electric potential caused by the system of electric charges, by using the outer surface of the shell as a reference point for the potential.
Suppose that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the net energy employed in the United States in one year is around 9.3 x 10 to the 19 J.