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A baseball of 145-g approach the bat at 31.5 m/s. The batter imparts a 12.0kg x m/s- impulse in the opposite direction. Determine the new speed of the ball?
Verify that any ray coming in parallel to the principal axis of the parabolic surface will reflect towards the focal point of parabola. Begin with the general form of a parabola centered on the y-ax
The piece of wire which is 16 meters long is cut into two pieces so that one piece is three fifths as long as other. Determine the length of each piece.
An air-filled parallel-plate capacitor consists of a capacitance of 1.5 pF. The separation of the plates is twice and wax is inserted between them. The new capacitance is 3.7 pF. Determine the diele
Find out (i) the capacitance of the device, (ii) the free charge q (in C) on the inner shell and (iii) the charge q (in C) induced all along the surface of the inner shell.
The rods carry the similar current in the similar direction. The length of each rod is 0.90 m, whereas the mass of each is 0.084 kg. One rod is held in place above the ground, and the other floats u
Height of the isosceles triangle is 10 cm and base is 8 centimeters. Use heron's formula to determine length of each of two congruent sides to nearest tenth of centimeter.
A wire of 1.65 m length is formed into a single-turn, square loop in which there is a current of 12 A. The loop is positioned in a magnetic field of 0.04 T. Determine the maximum torque which the lo
A capacitor of 1.11 x 10-3 µF consists of an initial charge of 0.100 C. If a resistor is joined across the capacitor plates, there is an initial current via the resistor of 1.04 A. Determine t
When a wire is carrying a positive current, I, directly up out of this page, in what direction around the wire will the magnetic field point? (Clockwise or counter-clockwise)?
One end of the light elastic string of natural length l, passing through the small smooth ring of mass m, is attached to the point o on ceiling of room. Illustrate that extension of string in equili
A 0.34F capacitor charged to 3.3V will initially discharge with the leakage current of 0.40mA Determine how long will it take for the capacitor voltage to drop to 1.0?
A capacitor made up of two metal plates that are 160 cm long and 4 cm wide. They are separated by a distance of 0.2 mm, which is filled with oil which consists of a dielectric constant (K) of 5.0 De
A bullet of 2.54g moving at 280 m/s enters and stops in a primarily stationary 3.50kg wooden block on the horizontal frictionless surface. Determine how much work was done in stopping the bullet?
How many pounds of chocolates that cost $5.95 per pound should be mixed with 3 pounds of caramels costing $2.95 per pound to get the mixture which costs $3.95 per pound?
Find out the change in momentum of the ball? Find out the average force exerted to the ball by the club.
A piece of Nichrome wire consists of a radius of 7.00 x 10-4 m. This is used in a laboratory to build a heater which dissipates 3.00 x 102 W of power when joined to a voltage source of 120 V. Avoidi
When a Saturn V rocket with an Apollo spacecraft joined has a combined mass of 2.4 x 105 kg and reached a speed of 11.2 km/s, determine how much kinetic energy would it then encompass?
find out the resonant frequency of this bond and the wavelength of light which matches that frequency. (The mass of oxygen atom is 2.66 x 10-26 kg.)
Write the equation for each condition listed. Line with the slope of 7 and y-intercept of -1 (in slope intercept from). Line which passes through (1,-5) and has a slope of 3 (in point slope from).
Throughout the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 33.1 rad/s. Determine the angular displacement of the tub throughout a spin of 60.7s, state both in
A pendulum sweeps out at the angle of 32.9 degrees throughout its motion. Explain how far do the pendulum bob (the ball at the end of rope) travel in one complete cycle of motion if the length is 42
Determine how far from the crossing will he be when he starts to accelerate?
If $3,000 is invested at the interest rate of 9% per year, determine amount of investment at the end of 5 years, for the given compounding methods: semiannual, weekly, hourly, continuously.
If a mass of 0.72 kg is joined to a vertical spring, the spring stretches by 15 cm. Determine how much mass (total) should be joined to the spring to result in a 0.60 s period of oscillation?