A y-ray with a wavelength of 0.0062 nm is incident upon an electron that is initially at rest. The electron is observed to recoil with a kinetic energy of 60 keV. Calculate the energy of the scat- tered y-ray in keV and determine the direction in which it is scattered.

Q: Estimate the work (in J) you do to mow a lawn 20 m by 20 m with a 60-cm-wide mower. Assume you push…

A: Given data: Force, F = 25 N Width of mower, w = 60 cm = 0.6 m Work done, W = ?

Q: Find Work done Force=5.54 N Displacement 0.2 m

A: Given data : Force=F Displacement=d   To find : Work done

Q: Find the dot product of the vectors A = 5m and B = 7m perpendicular to each other. A) 5 B) 8…

A:

Q: Compute displacement Work done=112.212 J Force=123 N

A: Given data :Workone=112.212 JForce=123 NRequired :displacement

Q: 13. A machine does 192 J of work in 24 Sec. What is the power of the machine?

A: Given data The work done by the machine is given ad W = 192 J. The time duration is given as T = 24…

Q: In the figure shown, if the mass (m=10 Kg) is moving with constant speed and traveled a distance…

A: Given mass = 10 kg  Moving with constant velocity i.e acceleration is zero  Distance traveled 13 m…

Q: A 1270-kg car moves at 24.0 m/s. How much work Whet must be done on the car to increase its speed to…

A: Given: Mass of car(m)=1270kg initial velocity(vi)=24m/s Final velcoity(vf)=35m/s

Q: Find work done Force=2 N Displacement=1.1 m

A: Given data : Force=F Displacement=d   Required : Work done

Q: LA car with a mass of 2,000 kg drives to the top of a 100-meter hill in 15.0 seconds. Find the…

A:

Q: How much work is needed to horizontally move a 1,200 kN box in constant speed? The frictional force…

A:

Q: using a force of 50.0N you can you push a cart 10.0 m across a school. how much work did you did?

A:

Q: Find the value of force applied if work done is 460 J and displacement is 30 m

A:

Q: I. Problem Solving. Show your step-by-step solutions. 1. Compute the work done in each of the…

A: Here,  1) m =12 kg h =15m Now, Work done = mgh = 9.8(12)(15) =1764 J

Q: Calculate the total work done by the system from x = 1.40 m to x =4.80 m when force applied on the…

A: Given data : Force, Ft=5.00Nmx i^ + 7.00 Nm2x2 j^ + 9.00 Nm3x3 k^ Displacement x1=1.40 m…

Q: 21. If 30 joules of work is required to lift a 10-N box from the floor to a table, how high is the…

A:

Q: Please define work and state the work-energy theorem.

A: Question: Define work. State the work-energy theorem.

Q: Find work done Force =3 N Distance moved=1 m

A: Given data :- Force F = 3 N distance d = 1 m

Q: 17. The force exerted by a spring on a block attached to it is F(x) = -kx, where k is expressed in…

A:

Q: 8. Find the work done on a lagage of 50 kg. pulled by a string elevated at 45 degrees by a force of…

A: Answering the question number 10. as per the student's request. Required data: Mass of the lagage,…

Q: A 5-kg object is pushed across a level surface with a force of 12 N for a distance of 6 m. How much…

A: Given Applied force on the object is F=12 N Distance travelled is d=6 m Mass of object is m=5 kg…

Q: Find the displacement Work done=-1112 J Force 500 N

A: Given data : Work done=W Force=F   Required : Displacement

Q: A crane that's powered by a 175 watt motor lifts a crate 10.5m in 12.0s. What is the mass of the…

A: Power of motor (P) = 175 watt Distance (d) = 10.5 m Time (t) = 12 seconds