Summative assessment instructions Design an experiment related to work, energy, and energy conservation. You may link it to laws of motion if you want (Newton's laws and forces)
Q: Power is the rate at which you do work. You spend more power when you A) do the same work for a…
A: Power is obtained when the work done is divided by the time the work is being done. where
Q: By using a simple and practical example, explain that based on the choice of one's system of study,…
A: When a force acting on a body displaces it over a certain distance, work is said to be done. Work is…
Q: Energy is ________ a) Work b) The ability to create work c) Quantification of work d) Force…
A: To explain: Energy is ________
Q: 25. It is defined as the rate at which work is done. mechanical energy O power work O joule O o o O
A: The work can be expressed as, W=Fs Here, F is the force applied, and s is the displacement caused.
Q: The higher you lift a body, the more work you do and the greater is its a. a) kinetic energy b. b)…
A: The gravitational potential energy will be greater because the height of the body is high.…
Q: An object having the capability to do work is said to possess: A) Inertia B) Force C) Pressure D)…
A: An object having capability to do work is said to possess
Q: 4. Is the amount of work accomplished dependent on how long it takes to accomplish that work?…
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Q: A. is energy of motion B. is energy of falling objects C. can be converted to kinetic energy D.…
A: Potential energy is energy of an object or system due to its configuration in conservative force…
Q: peeds as usual. 8. What is the least amount of energy needed to bring a pot with 0.6 kg of water…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A 500 kg car traveling at 55 m/s slows to 30 m/s. How much work done is done on the car in slowing…
A: Given: Mass m = 500 kg Velocity u = 55 ms Velocity v = 30 ms To determine: Force and work done.…
Q: Work is measured in the units of? Choose all that apply. A. Joules (J) B. Kilocaloie C.…
A: The international System of unit of work is joule. The symbol of joule is J. Joule is equal to the…
Q: A ball is dropped from the top of a building. You choose the top of a building as a reference point…
A: Solution: Given that A ball is dropped from the top of a building. You choose the top of a building…
Q: All of the following refers to power, except what is the answer? a) the rate of doing work by a…
A: answer Option (d) none of the above i.e all the options a,b and c are correct so except option (d)…
Q: Goal The purpose of this experiment is to use to test our idea that energy is a conserved quantity…
A: Hypothesis: The hypothesis being tested is that the total energy in an isolated system will be…
Q: What are the units of power? a) Newton b) Joule c) Watt d) No units
A: To find: The units of power
Q: Direction: Analyze the given graphs below. You will not solve this, you need to explain the work…
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Q: It takes 157 kJ of work to accelerate a car from 23.4 m/s to 27.3 m/s. What is the car's mass?
A: Given, Work done, W=157 kJ Initial velocity, u=23.4 m/s Final velocity, v=27.3 m/s
Q: Define Potential Energy and determine the position on the carousel ride with maximum and minimum…
A: Potential energy is the energy that an object possesses due to its position, configuration, or…
Q: Using the equation below, calculate the kinetic energy for the following baseball: Ke=0.5 x mv…
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Q: Work and Energy 22) Verify if Kinetic energy and Potential energy equations are dimensionally…
A: Dimensional analysis of formula for kinetic energy and potential energy:
Q: Which property gives an object potential energy? a.Its age b.Its position c.Its shape
A: Potential energy is the energy of an object due to its position with respect to the some reference…
Q: Mrs.clause wants to make a toy elf that can jump over a 1.5m high wall Beginning with the law of…
A: If an Object starts with an initial velocity 'u' and acceleration 'a' , travels a distance 's' then…
Q: A monkey is 4 metres above ground in a tree when he falls. His mass is 3 kg A) find his potential…
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Q: A force of 4 pounds compresses a 15-inch spring a total of 4 inches. How much work is done in…
A: Given that,Spring of length : l = 15 (inch)The compressed length of spring is given as, x=4 inHere…
Q: if an object moving from A point to B its kinetic energy at A = 1.2 J and its kinetic energy at B…
A: Kinetic energy at A KA = 1.2 J Kinetic energy at B KB = 7.5 J
Q: The unit for energy is O Juwel O None of the choices Newton x meter O Watt
A: The energy is a quantitative property that is transferred from a physical system to perform the…
Q: it takes less time to complete a task using the same amount of work, it can be said that power A.…
A:
Q: Power output can be increased by Select one: a. Increasing the amount of time in which work is done…
A: Ques: power output can be increased by
Q: Write the kinetic, potential and total energy of a baseball having a mass of 0.145kg held 10 meters…
A: 1) Potential energy of baseball at height of 10 m above ground .and having mass 0.145kg PEi = mgh…
Q: How much work was done if an objects kinetic energy changes from 35 J to 15 J? A) -20 J B) 20 J C)…
A: Given, Initial KE =35J Final KE=15 J
Q: How does a machine make work easier? A machine makes work easier by changing.... Choose the three…
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Q: Maximum Potential Kinetic Measured Calculated Height Energy at top of track Energy at bottom of…
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Q: What is Potential energy
A: Potential Energy: “It is the energy stored in a body or system by virtue of its position in a field…
Q: 29.) Which of the following best describes the type of energy that is stored in the food you eat?…
A: When we eat food, we get energy to do various activities within the day.
Q: Match each example to the type of work or energy described. a swing travels in the same direction it…
A: Too match the correct options for the given question.
Q: A student pulls out his or her chair in order to sit down. The student pulls the chair 0.75 m with a…
A: Given data: Force (F) = 20 N Displacement (d) = 0.75 m Required: Work (W)
Q: Match each example to the type of work or energy described. a swing travels in the same direction it…
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Q: Which of the following is the definition of energy? A) The effect that makes the movement of objects…
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Q: A weight lifter raises a 87 kg barbell to a height of 1.8 m. what is the barbell's potential energy…
A: Mass of the barbell, Height raised, Acceleration due to gravity, The potential energy of the…
Q: Define work. Give SI unit of work. Write an expression for positive work done
A:
Q: Which of the following physical quantity measures the rate of work done? A) Power B) Momentum…
A: Power is defined as the rate of work done. it is the work done in unit time.The SI unit of power is…
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