How much work did the movers do (horizontally) pushing a 140-kg crate 10.4 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50?

Q: a student studie on of time t, ob

A: Given: Function of time can be mentioned as t graph for degree vs r(s) has given

Q: A neutron at rest decays (breaks up) to a proton and an electron. Energy is released in the decay…

A: This problem can be solved using conservation of energy concept.

Q: QUESTION 10 An ideal gas occupies 400 m³ at a pressure of 250 Pa. If the volume is changed to 100 m3…

A: 10. Let the initial pressure of the ideal gas be P1, the initial volume of the ideal gas be V1, the…

Q: What is the magnitude of the total magnetic force the long wire exerts on the current loop? a. Zcro…

A:

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: 1) When pions are brought to rest their lifetime is 1.77 10-8 s. A beam of pions is produced in an…

A: Intensity is measured on a plane perpendicular to the direction of propagation of the energy, where…

Q: 1. A body in simple harmonic motion has a velocity of 8cm/s when its displacement is 2cm and a…

A:

Q: 5.) The threshold (cutoff) wavelength for the photoelectric effect in an unknown metal is 270nm.…

A: Given data: Threshold wavelength of the metal, λ0=270 nm=270×10-9 m

Q: Mickey, a daredevil mouse of mass 0.0189 kg, is attempting to become the world's first "mouse…

A: Given: In this question, the given details are, Mickey, a daredevil mouse of mass 0.0189 kg, is…

Q: 3. A basketball is thrown straight up at 25.3 m/s. a) What is the maximum height the basketball will…

A: Given:-  The initial velocity of the ball by which it has been thrown straight up u = 25.3 m/s…

Q: A cable exerts a constant upward tension of magnitude 1.94 x 104 N on a 1.60 x 103 kg elevator as it…

A:

Q: An electric field is measured to exert a force of 2.21 x 10-4N on a particle with a charge of 4.55 x…

A: Given data:  Electric Force (F) = 2.21 × 10-4 N Charge (q) = 4.55 × 10-4 C Required: The magnitude…

Q: 3. A particle with mass m and charge q=+1.6× 10C has a speed of v-4.5x10' m/s at point A. It enters…

A: As given in figure the diameter of the semicircle is d=50cm=0.5m Therefore its radius is r=d/2=0.25m…

Q: Three large sheets are separated by equal distances of 15 cm as shown in the figure. The first and…

A: 1. Hence as per the given question,  there are three conducting and non-conducting plates .  which…

Q: Determine the magnitude and direction (to the nearest degree) of the equilibrant of the following…

A:

Q: Your friend insists that he is "listening to" a radio wave. State the difference between a sound and…

A: A physical wave can be defined as a disturbance in space which is propagating. Periodic waves can be…

Q: 3. A thread carrying a uniform charge λ, per unit length, has the configurations shown in below…

A:

Q: A gymnast of mass 62.0 kg hangs from a vertical rope attached to the ceiling. You can ignore the…

A: Given, The mass of the gymnast, m=62 Kg Acceleration due to gravity, g=9.81 m/s2

Q: on

A: Given: Mass is 50 kg Distance is 0.3 m