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Vakti Singh

Asked: February 12, 2021In: Class-11-Physics

Two bodies stick together after collision. What type of collision is in between these two bodies?

NCERT Solutions for Class 11 Science Work energy and power 4 Important Board Questions Work energy and power NCERT Books for Session 2022-2023 CBSE Board and UP Board 1 Marks Questions

Vakti Singh

Asked: February 12, 2021In: Class-11-Physics

Which spring has greater value of spring constant – a hard spring or a delicate spring?

NCERT Solutions for Class 11 Science Work energy and power 4 Important Board Questions Work energy and power NCERT Books for Session 2022-2023 CBSE Board and UP Board 1 Marks Questions

Vakti Singh

Asked: February 12, 2021In: Class-11-Physics

A body is moving along a circular path. How much work is done by the centripetal force?

NCERT Solutions for Class 11 Science Work energy and power 4 Important Board Questions Work energy and power NCERT Books for Session 2022-2023 CBSE Board and UP Board 1 Marks Questions

Vakti Singh

Asked: February 12, 2021In: Class-11-Physics

The momentum of the body is doubled, what % does its K.E change?

NCERT Solutions for Class 11 Science Work energy and power 4 Important Board Questions Work energy and power NCERT Books for Session 2022-2023 CBSE Board and UP Board 1 Marks Questions

Vakti Singh

Asked: February 12, 2021In: Class-11-Physics

Define the conservative and non-conservative forces. Give examples of each.

NCERT Solutions for Class 11 Science Work energy and power 4 Important Board Questions Work energy and power NCERT Books for Session 2022-2023 CBSE Board and UP Board 1 Marks Questions

Inkit

Asked: February 12, 2021In: Class-11-Physics

A hunter has a maching gun that can fire 50g bullets with a velocity of 150 ms⁻¹. A 60 kg tiger springs at him with a velocity of 10 ms⁻¹. How many bullets must the hunter fire into the target so as to stop him in his track ?

NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3 Important Board Questions Newton’s law of motion and friction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marks Questions & Numericals

Inkit

Asked: February 12, 2021In: Class-11-Physics

A helicopter of mass 2000 kg rises with a vertical acceleration of 15 m/s². The total mass of the crew and passengers is 500 kg. Give the magnitude and direction of the : (i) Force on the floor of the helicopter by the crew and passenger. (ii) Action of the rotor of the helicopter on the surrounding air (iii) Force on the helicopter due to the surrounding air (g =10 m/s²)

NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3 Important Board Questions Newton’s law of motion and friction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marks Questions & Numericals

Inkit

Asked: February 12, 2021In: Class-11-Physics

A force of 100 N gives a mass m1, an acceleration of 10 ms⁻² and of 20 ms⁻² to a mass m₂. What acceleration must be given to it if both the masses are tied together?

NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3 Important Board Questions Newton’s law of motion and friction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marks Questions & Numericals

Inkit

Asked: February 12, 2021In: Class-11-Physics

Calculate the force required to move a train of 2000 quintal up on an incline plane of 1 in 50 with an acceleration of 2 ms⁻². The force of friction per quintal is 0.5 N.

NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3 Important Board Questions Newton’s law of motion and friction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marks Questions & Numericals

Inkit

Asked: February 12, 2021In: Class-11-Physics

A force of 98 N is just required to move a mass of 45 kg on a rough horizontal surface. Find the coefficient of friction and angle of friction?

NCERT Solutions for Class 11 Science Newton’s law of motion and friction 3 Important Board Questions Newton’s law of motion and friction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marks Questions & Numericals

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