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Given data: A softball player slides into second base. Explanation: The velocity of softball player...Given data: A person gets in an elevator on the ground floor and rides it to the top floor of a...Explanation: Let, Vector be v→ and components of v→ be v1,v2,v3,.....vn. Write the expression to...Explanation: Even if an object is at rest, it does not mean no forces are acting on it. Rather...Given data: An object is subjected to two forces that do not point in opposite directions. It is...Given data: Mass of the passenger (m) is 60 kg. Cruising speed of the elevator is 10 ms. Time taken...Explanation: Consider any object moving in a circle at a constant speed. The motion obtained by that...Explanation: This solution works under the fact that, ‘rotation in counter clockwise direction is...Given data: Refer to the Figure Q8.1 in the textbook for the force that acts at the tip of the rod....

Given data: A person bowls with a 10 pound ball. The person throws the ball with a speed of 10 mph....Given data: The material used to make the brake shoes of the car is the material that tolerates very...Explanation: When you rub your hand together, the friction between the hands increases, which result...Formula used: Write the expression to find molecular mass. Molecular mass=Number of atoms×Atomic...Given data: The mass of mercury is 1 g and the mass of water is 1000 g. Explanation: Refer to Table...Given data: Pendulum is pulled back from its position by 10°, and its restoring force is 1.0 N....Explanation: Transverse wave is a wave whose direction of oscillation and the direction of its...Explanation: As light passes from air to water, it changes from one medium to another. In terms of...Given data: The frequency of light wave is 5.3×1014 Hz . Formula used: Write the expression for...Explanation: During the solar eclipse, the moon comes in between the sun and the Earth. The rays...Explanation: As, the image which is formed in the ground acts like a viewing screen, the distance...Explanation: The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when...Explanation: The electric potential of a certain area does not depend on the test charge particle....Given data: Refer to the Figure Q22.2 in the textbook for required data. Explanation: In the Figure...Refer to FIGURE Q23.1 in the textbook. Consider I is the total current in the circuit, R is the...Given data: Refer Figure Q24.1 in the textbook for two magnet arrangement. Consider that the north...Formula used: Consider the equation for induced current. I=εR (1) Here, ε is the emf due to motion...Explanation: The expression to find the average power dissipated by a resistor in an AC circuit is...Explanation: If the case considered is that the airplane is moving with a constant velocity such...Given info: The photon energy of an x-ray beam is increasing. Explanation: Write the expression for...Explanation: Emission spectrum of the elements shows colors due to the electrons excited by...Explanation: Consider the expression for atomic mass. A=Z+N Here, Z is the number of protons and N...

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