E15. A car moving with an initial velocity of 30 m/s slows down at a constant rate of -3 m/s². a. What is its velocity after 3 seconds of deceleration? b. What distance does the car cover in this time?

Q: 4. A 15N block is sliding down a 35° ramp at constant speed. What is the coefficient of kinetic…

A:

Q: 10. A projectile is fired from the a height of yo= 10 meters with initial velocity, vo=45 m/s, at an…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: Hydroelectric plants convert electrical energy to mechanical energy.

A: B

Q: Trial h2 (m) | (m) (m) Ah GPE KE %diff (kg) (m) (s) (m/s) Vf (J) (J) 0.5 0.05 0.47 0.39 0.08 0.040…

A: Kinetic energy (K.E) of the object is related with its velocity and is given by…

Q: A medium-size catapult launches a 4.5-kg steel sphere as in Figure Ql. The launch speed is given as…

A: Projectile motion can be defined as the motion of a body when thrown at an angle from the surface.…

Q: 7. A car speeding at Vc= 110 km/h passes a police car at rest. The policeman is watching the car and…

A:

Q: 1. Two electrons are a significant distance away from each other and move with nonzero initial…

A: Solution: 1. The same charge repels each other. The two electrons are moving toward each other. They…

Q: Solve the work done (J) by a small spacecraft as it moves from 0 to 70 m. Determine and illustrate…

A: From the graph, 1 div=108=1.25 div From 0 to 10 m.  The area of a right-angled triangle=12bh b=10…

Q: Q21. Two bugs, Buzz and Crunchy each of mass 0.50 kg, are sitting on a spinning disk on a horizontal…

A:

Q: Pls help with below homeowrk-) To save electricity which are the five energy-saving design features…

A: Below are top 5 techniques that will help to generate green buildings

Q: Q14 Needed to be solved correctly in 20 minutes in the order to get positive feedback please provide…

A: Here Area = A = 10 m2 Energy = E = 500 J Intensity = I = 1.5 kW/m2 We have to calculate the time…

Q: Choose the missing nucleus in the following reaction: U +?+He + energy. Th O Th

A:

Q: 30 Which cube will move to the right? F Cube A G Cube B H Cube C J Cube D

A: In this question we have to answer which of the given cube move towards right.

Q: The following is a set of experimental results you are required to lift a mass of 400 g at a speed…

A: Given Mass m                         = 400 g Speed v                        = 0.08 m/s Mechanical…

Q: What is the most accurate geometric description of projba? Oa. The length of the portion of the…

A: Projection of B along A is shown as projBA. This is best convened by option C i. e. shadow of B…

Q: E9. A car travels with an average speed of 58 MPH. What is this speed in km/h? (See example box…

A: Average speed  v= 58 MPHRequired - Average speed in. km/h

Q: please refer to the attached picture. Calculate the velocity, KE and PE at all heights/locations…

A:

Q: 12. A high diver leaves the end of a 5.0 meter high diving board and strikes the water 1.3 seconds…

A:

Q: Read the article. Then, answer True or False: Solar Energy and the Environment Solar power plants do…

A: Solar plants converts light energy  into electrical  energy  without any emissions  of air pollution…

Q: A-Explain what is meant by intermittancy in Renewable Energy? B-Define how to design of a Renewable…

A: A) The intermittency in Renewable Energy (Mostly talk in Solar Energy sources) is the partial…

Q: 6. A stone is thrown from the top of a building with an upward initial vertical velocity of ve 15…

A: Given, Stone's initial velocity v0=15 m/s in upward direction. Total time taken by stone to hit the…

Q: A long solenoid of radius 0.400 m has N = 2000 turns and a length of 1.00 m. It is looped by the…

A: The radius of the solenoid, The number of turns in the coil, The length of the solenoid, The varying…

Q: Explain the working principles, advantages and disadvantages of off grid systems and on…

A: On grid  and off grid solar system

Q: The lightbulb of a flashlight creates light and heat, both of which are forms of energy. What is the…

A: Answer  In the light bulb the flow of charge through the filament heats it up and causes it to glow.…

Q: Please I want more information about Compare wind and bio energy systems, Any two power plants of…

A: Answer :- (1)Biomass energy is caused by organic compounds like animal wastes where as wind energy…

Q: OWhat is the efficiency of an out-of-condition professor who does 1.90 X 10 J of useful work while…

A:

Q: Identify which works use time as an essential element by dragging each work to the appropriate…

A: Solution: (a) Time is used as an element: The Gates Spiral Jetty Voltri VI

Q: The Differentiation to be made must be based on the following topics. - Power Rule Differentiation…

A: The power rule differentiation tells the differentiation that is in the form xn. In this, the power…

Q: Explain why your answer in Part B is different to your answer in Part A. How much work is done in…

A: Form solution of part (A) and part (B)  Work done in cyclic process 1→2→3→4→1 is +120J. Work done in…

Q: The graph below shows the velocity versus time for a bullet as it is fired from a gun, travels a…

A: To determine: The rise and run, and the acceleration at Time a. Time b. Time c.

Q: SA5) Find the KE of a 500-g object after 1.0 meter of its fall from the top of a building.

A: Given data m=0.5 kgh=1 m Here, m is the mass of the object. While x is the distance traveled from…

Q: Complete the following table. Round each of your answers to 3 significant digits. food a cup of…

A:

Q: This study is designed to get you to question why parts are made from a particular material and how…

A: Solution:-       I will be discussing the requirements for a Standard Open…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.