32 53N 3. Calculate the net torque on the 2 meter long beam below about 43 (a) point C, which is the center of mass, and FON (b) point P. 45N :58*

Q: Calculate the minimum work required to transport a mass of 1.0 kg from the surface of the Earth to…

A:

Q: 4. If an elevator with a mass of 200kg rises 50m up a building with a total passenger mass of 125kg,…

A:

Q: 7 5 6 3 ·x

A:

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A:

Q: A flower vase on a table slides off horizontally with a speed of 1.50 m/s. It statter in pieces on…

A: Given data: Initial velocity (u) = 1.50 m/s, horizontally Time (t) = 0.450 s Required: The height of…

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A:

Q: B.E. of a satellite is 4×10³ J. Calculato its kinetic I energy potential energy.

A: To find-(1) K.E. =?(2) P.E.=?Given that-B.E.=4×108 J

Q: O X Z y Ox y N F LL B

A:

Q: If a plane has a mass of 1.4x10^6 kg, and if its speed is 1.8x10^2 m/s, what is its kinetic energy?

A: Given data:  Mass (m) = 1.4×106 kg Speed (v) = 1.8×102 m/s Required: Kinetic energy (KE)

Q: The potential energy of earth at aphelion

A:

Q: If all the items in the figure have the same mass,which two items will have the same gravitational…

A: Let mass of each object A, B, C, and D = m  The acceleration due to gravity = g ( for each object).…

Q: 3 What is the velocity of a 2 kg object dropped from a height of 20 m when it hits the ground, in…

A: Given that-Mass, m= 2 kgHeight, h= 20 mBy using conservation of energyWe can write-Kinetic energy=…

Q: Which one of the following is NOT the unit of power? Watts Íb/s Nm/s O J/s

A: Power is rate of change of energy.

Q: Find the gravitational potential energy of a light that has a mass of 14 kg and is 8 m above the…

A: Given data :                 Gravitational pull     =    g                     Height     =    h…

Q: Which of the following quantities represent mass? 12.0 lb 0.34 g 120 kg 1600 kilanewtons (kN)…

A: Given 12.0 lb 0.34 g 120 kg 1600 kilanewtons (kN) 0.34 m 411 cm

Q: a jet is in a circular motion with the speed 200km/h with radious= 5km if a body of 1kg falles into…

A: Concept used: An object in circular motion experiences centripetal force.

Q: A force of 49 N raises a 5 kg object 0.82 m upwards. How much work was done by the force?

A:

Q: rem states that the change in the kinetic energy of an object is equal to what What is called to an…

A: We know the work-energy theorem, According to this theorem. The work done [W] on an object is equal…

Q: What is the potential energy of a body in space?

A: Potential energy is,

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A: Here we have to find out gravitational potential energy of the earth as it orbits the sun.

Q: Which of the following is the SI unit for gravitational kinetic energy? (Joule is not the answer)

A:

Q: What is work done by Earth's gravitational force in keeping the moon in the orbit?

A: The work done by the earth's gravitational force in keeping the moon in the orbit is zero.

Q: How much work (in J) must be done to lift a stack of bricks, which has a mass of 700 kg, from the…

A: mass m = 700 kg height h = 13 m g = 10 m/s2

Q: A force of 49 N raises a 5 kg object 0.61 m upwards. How much work was done by the force?

A: Applied force (F) = 49 N Mass (m) = 5 kg Distance moved (d) = 0.61 m (upwards)

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A:

Q: The unit of Power (P) is

A: We have to answer the unit of Power (P)

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A:

Q: The cost of fuel in running a locomotive is proportional to the square of the speed and is $25 per…

A: The answer to the above problem is given below

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A: Given : Mass of a satellite (m) = 243 kg

Q: 16. One of the physical quantities shown below is a scalar that is always positive. Which one is…

A: Correct option  1. Kinetic Energy

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A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: In which situation will the object have the largest gravitational potential energy? a squid deep in…

A: The potential energy is the work done by the external force. The gravitational force is a central…

Q: How high would a 4.8 kg squirrel has to climb a tree to have a gravitational potential energy of 52…

A: GivenGravitational potential energy = 52 JMass of squirrel (m) = 4.8 kg

Q: What is the speed at the ground of an object that falls freely from height of 25m

A: Given: The height of the fall is 25 m. Introduction: When a body falls freely from a height then the…

Q: How much work is required to lift a 2.99 kg object from the bottom of a well 8.8 m deep?

A: Given data: Mass of the object, m=2.99 kg Height of the well, h=8.8 m Our question is to find the…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.