A 1200 kg car is moving with a velocity of 25 m/s. Find its kinetic energy.

Q: A student builds and calibrates an accelerometer, which she uses to determine the speed of her car…

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Q: A person leaps from an airplane 9000 feet above the ground and deploys her/his parachute after 11…

A: First, let's calculate how fast the person is falling when the parachute is deployed, which happens…

Q: A fireworks show is choreographed to have two shells cross paths at a height of 117 feet and explode…

A: Solution: The maximum height of the projectile is given to be 117ft +45ft. It is well known that at…

Q: A flower pot is thrown down at a 4.00m/s and hits the ground in 8.00s. From what height was it…

A: initial speed (u)=4 m/s  time to reach ground(t)=8 sec  acceleration due to gravity (g) =9.8m/s2 let…

Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…

Q: object thrown vertically upward from the surface of a celestial body at a velocity of 48 m When does…

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Q: Convert 100 kg to cm -d

A: Given value and unit is, 100 kgcm3-d

Q: If you saw Comet Halley when the comet was 0.9 AU from Earth and you observed a visible tail 4…

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Q: a student drove to the university from her home and noted that the odometer reading of her car…

A: Given data:  Odometer reading from home to university Distance = 18.3 km Time (t) = 18.9 min

Q: A van moves with an average speed of sav = 35 mi/hr. a) Express this speed in km/hr.  b)…

A: Average speed of a van = 35 mihr

Q: .. (a) Find the scalar product of the vectors A and B given in Exercise 1.360. (b) Find the angle…

A: The given vectors are A→=4i^+7j^B→=5i^-2j^

Q: speed of an object averaged over a given period of time is know as?

A: Speed is nothing but the magnitude of velocity and it is a scalar quantity.

Q: Problem 3. The motion of a particle is defined by the relation x = at - bf - cf + dt + e, where x…

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Q: 1. If a car travels 400m in 20 seconds how fast is it going?

A: Distance travel by car= 400 m Time taken= 20 sec