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Q1. A projectile is launched from Earth's surface at a certain initial velocity at an angle above the horizontal, reaching greatest height after time tmax. Another projectile is launched with the same initial velocity and angle from the surface of the Moon, where acceleration of gravity is one-sixth that of Earth. Neglecting air resistance (on Earth) and variations in the acceleration of gravity with height, how long does it take the projectile on the Moon to reach its greatest height?
Q2. A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.
a. What emf is induced in this loop?
b. If the loop has a resistance of 0.600 Ω, find out the current induced in loop.
A vertical wall (7.2 m 2.8 m) in a house faces due east. A uniform electric field has a magnitude of 150 N/C. What is the electric flux through the wall
What is the initial (horizontal) velocity of the ball. An airplane needs to reach a velocity of 203 km/h to take off. On a 2000 m runway, what is the least acceleration necessary for the plane to take flight.
Consider a series RLC circuit with R = 15 , L = 196 mH, C = 75 µF, and a maximum voltage of 148 V. What is the impedance of the circuit at resonance
A 3.10-m-long, 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 73.0 kg construction worker stands at the far end of the beam. What is the magnitude of torque abou..
A 2.6kg block slides along a frictionless surface at 1.9m/s . A second block, sliding at a faster 5.0m/s , collides with the first from behind, What was the mass of the second block
Four identical particles each have charge q and mass m. They are free from rest at the vertices of a square of side L. How fast is each charge moving when their distance from center of the square doubles.
An object 0.480cm tall is placed 14.0cm to the left of the vertex of a concave spherical mirror having a radius of curvature of 21.0cm, Find the orientation (erect or inverted) and the nature (real or virtual) of the image
What is the smallest distance required to stop the plane
Two long, parallel wires are separated by a distance of 3.40. The force per unit length that each wire exerts on the other is 3.20×10-5, and the wires repel each other. The current in one wire is 0.6690.
neglect the initial speed of the roller coaster. A neautral water molecule in its vapor state has an electric dipole moment of magnitude 6.2x10^-30 C.m. How far apart are molecule's center of positive and negative charge.
A single conservative force acts on a 5.30-kg particle within a system due to its interaction with the rest of the system. calculate the change in the potential energy of the system
A 2kg ball moving east with a speed of 3m/s collides with another 3kg ball moving west with a speed of 4m/s . After the collision the two balls stick together
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