Name the physical quantities related to the following units: joule
Q: A ball of mass 7.42 kg moving with speed 9.54 m/s hits a wall and bounces back with speed 5.77 m/s…
A: Given Data:- The mass of the ball is m = 7.42 kg The initial speed of the ball is vi = 9.54 m/s The…
Q: Scalar or dot product of vectors -7 i+ -7j+ -8 k and 9 i+ -3 j+ -2 k is: Answer:
A: Given vectors: Vector A= [ -7i + (-7j) + (-8k) ] = ( -7i - 7j - 8k ) Vector B = [ 9i + (-3j) + (-2k)…
Q: What is the physical meaning of dot product? Why dot product of two vector will always provide you a…
A: A dot product is a projection of one vector over another.
Q: If an object's speed is increased to 2 times its original speed, the object's kinetic energy will…
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Q: A 1,688,592 g car is traveling with a speed of 0.576 m/s. Calculate the kinetic energy of the car in…
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Q: If we know the total energy in a system is 140 J, and we know the Potential Energy is 100 J. What…
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Q: Calculate the dot product between the following vectors a) A=i-2j+5k and B=-3i+2j+2k b) A=-3i+j+2k…
A: (a) Let A and B denote the two vectors, and C denote the dot product of the two vectors. Therefore,…
Q: Which of the following is not a unit of power? a. J/s b. W⋅s c. ft⋅lbs/s d. hp
A: To find: which is not the unit of power?
Q: If an object's speed is increased to 6 times its original speed, the object's kinetic energy will…
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Q: Consider a conical water tank with a base diameter and height of 8 m and 10 m, respectively. How…
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Q: Why must work be done at the beginning of a roller coaster ride in order for the ride to proceed?
A: Roller coasters do not have engines, thus in order to function roller coasters, they are first…
Q: A 50ft chain with mass density 5lb/ft is initially coiled on the ground. How much work is performed…
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Q: A 1,000 kg sports car accelerates from 0 to 30 m/s in 13 s. What is the average power of the…
A: Mass of the car,(m)=1000 kg ----(1) [Given] The initial velocity of the car,(vi)=0 m/sec ----(2)…
Q: A force of 600 newtons will compress a spring 0.5 metres. What is the spring constant of the spring?
A: We know, F = k.x
Q: A 121 lb. weight is being help up by a block and tackle pulley system of 3 attached pulleys also…
A: Here, 3 strings are connected with the block, and each has tension 2T. Draw the free body diagram.
Q: What is the physical meaning of dot product? Why dot product of two vector will always provide you a…
A: The dot product is one way of multiplying two vectors. And its result yields a scalar quantity. It…
Q: How much work is required to increase the kinetic energy of a motor scooter by 4000 J?
A: The objective of the question is to find out the amount of work required to increase the kinetic…
Q: Calculate the scalar product of the two vectors shown in the figure. Pay attention to the units.…
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Q: A total of 4900 J is expended in lifting a 50 kg mass
A: Given. The energy expanded, E = 4900 J mass, m = 50 kg
Q: A person who weighs 80 pounds walked up two flight of stairs in 5 minutes. Each flight of stairs has…
A: The expression for find work is W=F·d Substitute values in the above equation…
Q: How much kinetic energy does a 0.3-kg stone have if it is thrown at 15 m/s? calculate to one…
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Q: The work W done when lifting an object varies jointly with the mass m of the object and the square…
A: Answer:- The problem statement suggests that the work W varies jointly with the mass m and the…
Q: Give a reason why the dot product of two vectors is know as the scalar product?
A: The dot product between two vectors is nothing but the component of one vector along the direction…
Q: stant force of 10.3 newtons is used to push a 3.0 kilogram mass 15.0 meters across the floor. How…
A: We know that the work done on an object is defined as when a force F is applied to an object of mass…
Q: In the formula W=F x d the work is measured in joules. What metric units does joules stand for?
A: Given: W = F x d
Q: The unit of Stefan's constant is (a) watt/m? K* (b) watt/m³K (c) watt/m2 K (d) watt/m K
A: Black body radiation.
Q: What is the average power consumption in watts of an appliance that uses 8.18 kW · h of energy per…
A: The average power consumption is given by Where E = Total energy used, t = total time taken
Q: It's given the Kinetic energy formula: KE=1/2 mv2 How to solve for v?
A:
Q: In Maxwell's Wheel experiment, which of the following can be said? а) b) c) d) Kinetic energy is…
A: The Maxwell’s wheel experiment is aimed to investigation over the conversions of energy between…
Q: A force of 7 pounds is required to hold a spring stretched 10 in. beyond its natural length. How…
A: Given: The force required to hold the spring stretched 10 in. beyond its natural length is…
Q: A person pushes on a spring with a force of 900 N. If the spring compresses 3.6 m, what is the…
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Q: A force of 140 N is required to push a table 5.0 meters across a level floor. How much work was…
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Q: Which of the following is the SI unit for gravitational kinetic energy? (Joule is not the answer)
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Q: Two physical quantities a and b are added together, and the sum of two vectors is, as shown in the…
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Q: The kinetic energy of an object at a given moment is 10 joules and its potential energy is 10…
A: Given data: Initial kinetic energy of an object is, KE1=10 J. Initial potential energy of an object…
Q: Rewrite the unit of work (N∗m) in base units.
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Q: A runner with a mass of 40 kg increases his speed from rest to 8 m/s. How much work has she done
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Q: Convert the following: 365 miph to m/s 98 rev/min to rad/s 4585 kJ/kg to BTU/lb
A: According to question we need to convert unit of given quantity.
Q: The top of a fence post is hit by a pile driver and it is partly driven into the ground. The…
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Q: Find the dot product of two vectors shown in the figure. The magnitude of the vectors are A= 3 and B…
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Q: Answer in exact form and decimal.
A: Given:
Q: 16. One of the physical quantities shown below is a scalar that is always positive. Which one is…
A: Correct option 1. Kinetic Energy
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