Work done in a system is ___ a) The measure of energy change b) The measure of useful work c) The measure of displacement d) The measure of force

Q: A 111 kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the…

A: mass of seal (m)= 111 kg Initial height (h) = 1.90 m θ = 26.5oInitial velocity (u) = 0 msfinal…

Q: A different car accelerated from 0.12 m/s to 0.52 m/s. The acceleration of the car was 0.040 m/s2.…

A: Given: The initial velocity of the car is 0.12 m/s. The final velocity of the car is 0.52 m/s. The…

Q: With the aid of necessary equations, explain total energy of a system.

A: We know that,the total enrgy of the system is sum of enrgies posse due to motion or due to the…

Q: When friction acts between an object and the system, how does this change the balance of kinetic and…

A: By observing the option we will answer the given question.

Q: Which of the following is true    A. When work is done BY the system, work is denoted as positive,…

A: We know the work done in thermodynamics system is given as, W = PdV The first law of thermodynamics,…

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Q: Which of the following statements is true? A Work done by weight is always zero B Work is positive…

A: work is defined as the dot product of force and displacement so it is scalar.work is negative when…

Q: In the force non- conservative, the * work done depends on final point initial point The initial and…

A: The force is classified into two catogories:- Conservative force  Non-conservative force

Q: Ex 12 : Calculate the work done in blowing a soap bubble of radius 0.5 cm. Surface tension of soap…

A: Radius of soap bubble r = 0.5 cm = 0.005 m Surface tension of soap solution is T = 2.5 × 10- 3 N/m

Q: the following is an example of zero work and which one is an example of negative work?    a) The…

A: Work is done when the force is applied to an object and it causes the object to displace. The work…

Q: How much work must be done on a heavy object to lower it from a height where it has 4000 Jof GPE to…

A: Initial gravitational potential energy = 4000 J Final gravitational potential energy = 2200 J…

Q: A 7.80-g bullet moving at 660 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

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Q: Don't use Artificial intelligence tools. Only Handwritten solutions are allowed. Mechanical…

A: This total energy per unit weight includes all the potential energy, kinetic energy, and pressure…

Q: A 7.80-g bullet moving at 500 m/s penetrates a tree trunk to a depth of 5.60 cm. (a) Use work and…

A: Given, Mass of bullet m = 7.80 g = 7.80 x 10-3 Kg Initial velocity u = 500 m/s Distance d = 5.60 cm…

Q: If a 1300 kg car can accelerate from 35 km/h to 60 km/h in 3.6 s, how long will it take to…

A: The objective of the question is to find out the time it would take for a car to accelerate from 60…

Q: If several forces are exerted on a system, calculate the work done by each force, then multiply the…

A: If the several forces are exerted on a system calculate the work done by each force, then multiply…

Q: If a 1300 kg car can accelerate from 35 km/h to 60 km/h in 3.6 s, how long will it take to…

A: The objective of the question is to find out the time it will take for a car to accelerate from 60…

Q: Data Table Attempts 1st 2nd Weight 118 lbs. Height of stairs 0.08 Time 12.55 sec. 118 lbs. 0.08…

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Q: The work necessary to stretch a spring from 9 in to 10 in is times the work necessary to stretch it…

A: The work done to stretch a spring from 9 to 10 in is 2/3 to 8 to 9 in.

Q: A 4.20-kg box has an acceleration of 2.10 m/s2 when it is pulled by a horizontal force across a…

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Q: a child pulls a box of 6kg a distance of 10 meters along a rough horizontal surface with a…

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Q: Calculate the work done when a 5.0 kg bag of apples is lifted 1.2 m off the ground.  13 c)…

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Q: art B alculate the work done by the force due to gravity. Value HÅ Part C Submit Request Answer…

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Q: A bucket of water of mass 20 kg is pulled at constant velocity up to a platform 30 meters above the…

A: Write the given values with the suitable variables. m=20 kgh=30 mt=18 min Here, m, h, and t are the…

Q: A 268-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 40.1 °…

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Q: The Efficiency of a car engine is 25%. The total resistance to motion is 1000 N when the car is…

A: Efficiency = 25% force (F) = 1000 N energy output in 1 liter of petrol = 40 MJ

Q: A 0.141 kg baseball leaves a pitchers hand at a speed of 31.5 m/s  Part A of the air drag is…

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