Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A 90 kg football player traveling 5.1m/s is stopped in 1.4s by a tackler. Determine the original kinetic energy of the player? Determine the average power is needed to stop him?
An object having a height of 37 cm is positioned 2.5 m in front of the concave mirror having a focal length of 0.41 m. Determine the location of the image generated by the mirror by using the mirror a
If this light illuminates a certain diffraction grating it generates a first-order principal maximum at an angle of 1.400 Degrees Compute the number of lines per centimeter on the grating.
A 3 mm high object is positioned 20 cm to the left of the converging lens. i) Locate and explain the final image having a ray diagram.
This is joined to a charge-measuring instrument whose resistance is 45.5 O. If the coil is rotated quickly from a position parallel to the uniform magnetic field to one perpendicular to the field, t
Find out the focal length of the glasses required when the glasses are 2 cm and 3 cm from her eyes. (Keep in mind, a converging lens consists of a positive focal length and a diverging lens consists
A 2.15 kg pendulum bob on the string 1.50 m long, is free having a velocity of 3.75 m/s if the support string forms an angle of 37.5 degrees with the vertical. Determine the velocity of the bob at
The stamp collector is viewing a stamp having a magnifying glass held next to her eye. Her near point is 23 cm from her eye. (i) Determine the refractive power of a magnifying glass which consists o
You drive in your car of 1200kg while driving you notice a sign which states warning flat level curve having radius 45m. Coefficient of static friction for all the tries u = 0.5 i) Determine the max
An object is in front of the spherical concave mirror having focal length 20 cm. The object is 16 cm from the mirror. What property does the image formed? Describe and sketch.
A long thin wire which is coaxial with the cylinder carries a current of 18 A in the opposite direction. Determine the magnitude of the magnetic field:
Write down the expression for conservation of angular momentum in terms of m, v, the final velocity of the puck, and w angular speed.
The object is in front of the convex mirror. The image formed is what in which property? Describe your answer!
The polarizing axis of a polarizing sheet forms an angle of 30 degree from the vertical. The un-polarized light of intensity Io passes via the polarizing sheet. The intensity of the light after it
The average distance among the sun and the earth is around 1.5 x 10^8 km. Determine how long does it takes for the light to travel from the sun to the earth?
Supposing that there is no friction among the string and the glass tube, determine the mass of the weight hanger when the spinning prevents it from moving up or down?
The ball is initially spinning at 2π radians per second however slow down to 10% of the value in 2 sec. i) Determine how long does it take the ball to come to rest.
The two parallel wires whose centers are 24.00 cm apart carry equivalent currents in opposite directions. Determine the inductance of a 80.00 cm length of such a pair of wires. The radius of each of
Four electrons are rotating about a proton making a square having a side R. Determine the linear speed, v, of the electrons. The mass of the electron is m, the charge on the electrons is –e, a
Physicist S. A. Goudsmith devised a process for measuring accurately the masses of heavy ions by timing their periods of revolution in a specified magnetic field.
Determine the inductance of the solenoid per unit length? Suppose that the adjacent wires touch each other and that insulation thickness is negligible.
A wave on the string is explained by the relation y = A sin (72t-0.045x), where t is measured in sec and x in m, with A = 0.15m. Determine the frequency, wavelength and max speed of a point on the
(i) Determine the magnitude of the (perpendicular) magnetic field in the separator?
Explain how far does the spring compress when the bullet becomes embedded in the block? Suppose a spring constant of 500 N/m.
The potential difference via which it would have to be accelerated to accomplish this energy.