What is the work to be done to increase the velocity of a car from?

Solution: According to the Work-Energy theorem or the relation between Kinetic energy and Work done – the work done on an object is the change in its kinetic energy. Hence, the work to be done to increase the velocity of a car from 30km/h to 60km/h is 156250 joule, if the mass of the car is 1500 kg.

What is the work to be done to increase the velocity of a car from 36 km per hour to 72 km per hour if the mass of car is 1500 kg?

u = 36 km h^-1 = 10 m s^-1, v = 72 km h^-1 = 20 m s^-1, W =? The work done is positive.

What is the work to be done to increase the velocity of a car from 54 km/hr to 72 km HR if the mass of the car is 1500 kg?

The velocity of a car increase from 54 km/hr to 72 km/hr. How much is the work done if the mass of the car is 1500 kg? (Ans. 131250 J)

What is the work to be done to increase the velocity of an object from 36 Kilometre per hour to 90 Kilometre per hour if the mass of object is 20 kg?

(b) What is the work done to increase the velocity of a car from 36 km h^-1 to 72 km hr^-1 if the mass of the car is 1500 kg? Does the work done by the . force have a negative or a positive magnitude? (a) State the law of conservation of energy.

What is the work to be done?

Work is said to be done when a force moves an object through a distance in its own direction.

How do you find change in momentum?

1) The change in momentum of an object is its mass times the change in its velocity. Δp=m⋅(Δv)=m⋅(vf−vi) .

When an object’s velocity increases what is the acceleration?

Any change in the velocity of an object results in an acceleration: increasing speed (what people usually mean when they say acceleration), decreasing speed (also called deceleration or retardation ), or changing direction (called centripetal acceleration ).

How is work done?

Work is done when a force that is applied to an object moves that object. The work is calculated by multiplying the force by the amount of movement of an object (W = F * d). A force of 10 newtons, that moves an object 3 meters, does 30 n-m of work. You have to exert a force AND move something to qualify as doing work.

How do you work out the velocity?

To figure out velocity, you divide the distance by the time it takes to travel that same distance, then you add your direction to it. For example, if you traveled 50 miles in 1 hour going west, then your velocity would be 50 miles/1 hour westwards, or 50 mph westwards.

What is work done example?

Work Done Examples Positive Work: If a force relocates the object in its direction, then the work done is positive. The example of this type of work done is the motion of the ball dropping towards the ground where the displacement of the ball is in the direction of the force of gravity.

What is work and example?

Work is force applied over distance. Examples of work include lifting an object against the Earth’s gravitation, driving a car up a hill, and pulling down a captive helium balloon. Work is a mechanical manifestation of energy. The standard unit of work is the joule (J), equivalent to a newton – meter (N · m).

What is the velocity of a car with mass of 1500kg?

The velocity of a car increases from 54km/hr to 72km/hr. How much is the work done if the mass of car is 1500kg? – Quora The velocity of a car increases from 54km/hr to 72km/hr.

What is the velocity of a car in km/h?

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What is the work required to accelerate a 1000 kg car?

The work done to accelerate the 1000 kg car from 20 m/s to 30 m/s is equal to the change in kinetic energy of the car. The change in kinetic energy denoted by ∆KE is equal to the final KE – the initial KE. The work required to accelerate a 1000 kg car from 20 m/s to 30 m/s is equal to 250,000 joules. Work required = W =?

How much force does it take to accelerate a car?

If the acceleration steadily increases to 2m/s^2 in 20 seconds, take the average which is 1m/s^2 therefore force=1,000N. A car moves at a speed of 20 m/s, then accelerates uniformly at 1.8 m/s^2 until it reaches a speed of 25 m/s.