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: Which of the following statements is true about potential energy for the given figure? point A point…
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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: 13. Forces Fı and F2 act concurrently on point P, as shown in the diagram below. F, = 10. N North F2…
A: Given: The force F1 and F2 are concurrent forces and the angle between them is 90o. F1=10 NF2=10 N
Q: Tasha and Mike push on a car that has stalled, trying unsuccessfully to get it to move. Tasha pushes…
A: The work done by a force is equal to the force times the displacement occurred. Since, they both…
Q: Energy is ________ a) Work b) The ability to create work c) Quantification of work d) Force…
A: To explain: Energy is ________
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: 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: 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: A ball is thrown straight up from the ground. The work done on it by the force of gravity is
A: Suppose a body of mass "m" & it is thrown vertically upward.
Q: 6. Four students took turns applying a force to an object in a physics lab. The graph below shows…
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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: A car with mass of 1108 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ignore air resistance. The…
A: Given mass of the car is m=1108kgThe initial speed is u=0m/sThe final speed is v=40m/sThe time is…
Q: Choose the false statement regarding work done by a force on an object. The amount of work…
A: Given information: Work is done on an object by applying a force.
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: 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: 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: A different car accelerated from 0.12m/s to 0.52m/s The acceleration of the car was 0.40ms2 The…
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Q: 2. calculate the kinetic energy of a 0.134kg baseball traveling at 21.6m/s 3. how much work was done…
A: Given that- Mass of baseball(M)=0.134 kg Speed(v)=21.6 m/sec To determine that calculate the kinetic…
Q: Which of the following will have a bigger impact on potential energy? Group of answer choices Need…
A: The objective of the question is to identify which factor will have a greater impact on the…
Q: it takes less time to complete a task using the same amount of work, it can be said that power A.…
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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: 5. Power is defined as the A) Force on an object divided by the time the force acts 8) Work done…
A: 5. Power is defined as the work done on the object divided by the time taken by the object to do…
Q: how to write an expression for the work kinetic energy theorem
A: The work energy theorem states that change in kinetic energy is equal to the work done by the net…
Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.01 m above the…
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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: Which results in an increase in power? A) doing more work in less time. B) doing less work in more…
A: Rate of doing work is known as power. The standard relation for the power (P) is given as,' P=Wt…
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: Name Chapter Work and Energy Review Directions: Match the description in the first column with the…
A: Option f Mechanical energy is the sum of the kinetic and potential energy in a system. Option a…
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: 2 m/s 4 m/s A Calculate the net work from point A to B given the mass equals 6 kg.
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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…
A:
Q: 4. Recognize What energy transformations occur as the drums are lifted?
A: Gravitational potential energy is the energy an object has by virtue of its position above the…
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…
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