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Q1. An object (A) of mass 0.2 kg strikes a second object (B) of mass 0.35 kg that is initially at rest. Mass A has an initial velocity of +3m/s.
A) Suppose that the collision is entirely inelastic. Compute the final state for these objects. Calculate the total energy for this system before and after the collision. Is mechanical energy conserved? If not, account for the discrepancy.
B) Now suppose that the collision is now entirely elastic. Calculate and describe the final velocities for two objects A and B. (the collision is in one dimension)
Q2. To monitor the breathing of the hospital patient, a thin belt is girded around the patient's chest as in the figure below. The belt is a 220 turn coil. When the patient inhales, the area encircled by the coil increases by 41 cm2. The magnitude of earth's magnetic field is 50.0 µT and makes an angle of 30° with the plane of the coil. Assume a patient takes 1.50 s to inhale, find the magnitude of average induced emf in the coil during that time.
A 1590 kg car starts from rest on a horizontal road and gains a speed of 61 km/h in 30 s (a) what is its kinetic energy at the end of the 30 s.
Two long, parallel conductors carry currents I1 = 3.10 A and I2 = 5.10 A, both directed into the plane of the computer screen. Find out the magnitude and direction of the resultant magnetic field at a point midway between the wires. (b) Find out the ..
Objective questions based on force and acceleration.
An alpha particle (m = 6.7 x 10^-27kg, q = +3.2 x 10^-19C) has a speed of 30km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out the electric potential difference.
Considered frequency and draw the nodal maps
Block A in Figure is given an initial velocity of 6 m/s up the incline. Declare of a block on a inclined plane.
Forming an equation.
Mattwe pulls his little sister sarah in a sled on an icy surface, with a force of 60 N at an angle of 37 ° upward from the horizontal. If he pulls her a distance of 12m, then determine the work done by matthew?
A flight attendant pulls her 70.10 N flight bag a distance of 258 m along a level airport floor at a constant speed. The force she exerts is 36.30 N at an angle of 52.0° above the horizontal.
What is Horizontal angle of projectile
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
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