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As a baseball is being caught, its speed goes from 43 to 0 m/s in about 0.003 s. Its mass is 0.145 kg. (Take the direction the baseball is thrown to be positive.)
(a) What is the baseball's acceleration in m/s2? (Indicate the direction with the sign of your answer.)
(b) What is the baseball's acceleration in g's? (Indicate the direction with the sign of your answer.)
(c) What is the size of the force acting on it?
As an example, consider a coil of diameter 2.00 cm with 72.0 turns that is rotated about an axis perpendicular to the field at a rate of 20.0 Hz. If the maximum induced emf in the coil is 6.00 V, find out the strength of the magnetic field.
Ignoring the container and the equilibrium vapor pressure of the liquid at 51.5 °C, find out the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).
A long wire is known to have a radius greater than 5.2 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
compare with the force of gravitational attraction between them.Find the position of the particle after this time.
A block of mass 4.0 kg is put on top of a block of mass M = 5.5 kg. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 16 N must be applied to the top block. The assembly of blocks is ..
A 12.0 kg box is pulled along a horizontal surface by a force Fp at a 30° angle above the horizontal. Calculate the acceleration of the box assuming a force of magnitude 45 N is applied at the 30° angle
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 x 10^-6 C, Find q1 and q2
Light of wavelength 588 nm falls on a double slit. First-order bright bands appear 3.65 cm from the central bright band. The screen is 1.20 m from the slits. How far apart are the slits.
What is its velocity at impact? What will its average velocity be? What will its average speed be.
Calculate the discharge in cubic meters per second and in cubic feet per second if A pipe with 2m diameter carries water having a velocity of 4 m/s.
Sketch a free body diagram for the hot air balloon. When the burner is turned on what force is required to cause an upward acceleration of 5m/s squared?
A simple pendulum has a mass of 0.350 kg and a length of 7.00 m. It is displaced through an angle of 12.0° and then released, What is the maximum angular acceleration
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