How much work does it take to raise a #7 kg # weight #21 m #?
William AudyI found:
By signing up, you agree to our Terms of Service and Privacy Policy
Benjamin AsieduThe work done in raising a 7 kg weight by 21 m against gravity is 1470 joules.
By signing up, you agree to our Terms of Service and Privacy Policy
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- What is the gravitational potential energy of a # 13 kg# object on a shelf # 15/4 m # high?
- A ball with a mass of #80 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #14 (kg)/s^2# and was compressed by #1/5 m# when the ball was released. How high will the ball go?
- An object with a mass of #24 kg# is hanging from an axle with a radius of #16 m#. If the wheel attached to the axle has a radius of #48 m#, how much force must be applied to the wheel to keep the object from falling?
- If a rocket with a mass of 3500 tons vertically accelerates at a rate of # 3/5 m/s^2#, how much power will the rocket have to exert to maintain its acceleration at 5 seconds?
- A car accelerates down a hill that is #45.0^@# to the horizontal. If the car has a #350kW# engine and takes #2.4s# to reach the bottom, what is the force of friction resisting its motion?
- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7