A 640 g toy car moving east has a kinetic energy of 0.348 J. The magnitude of its momentum is

Q: A train travels a distance of 300 km with an average speed of 60 km h_1. How much time does it take…

A: Given data:  Distance (d) = 300 km Speed (v) = 60 km/h Required: Time (t)

Q: The dimensional formula for velocity is

A: Given in question:  Velocity To find- The dimensional formula of the velocity. Solution: Step1 -…

Q: Karlo is driving his padyak 15m/s when he noticed that he is approaching a stalled tricycle that is…

A: Given:-   Karlo is driving his padyak 15m/s when he noticed that he is approaching a stalled…

Q: Distance 350 km speed=35 km/hr Determine time to cover the distance ?

A: Given data:  Distance (d) = 350 km Speed (v) = 35 km/hr Required: The time (t)

Q: If a pendulum is swinging at 1 Hz, what is its period in seconds?

A: Oscillation is the to and fro motion of a particle about a mean position.  A pendulum oscillates to…

Q: A ball has a mass of 2.0kg. The ball approaches a wall at a speed of 3.0Mls and rebounds at a speed…

A: Given:-  The mass of the ball is m = 2.0 kg  The ball approaches a wall is u = 3.0 m/s  The rebounce…

Q: Monatomic Engine -- What is the efficiency of this engine (see figure 4.9) if it were run with a…

A: 5) The work done from the engine = Area of traingle  W = 1/2*(P3-P2)*(V1-V2) W = 1/2*(8-2)(15-10) W…

Q: A bus covers a distance of 170 km b/w two cities in 5 hr. What is the average speed of the bus?

A: Given Distance is 170 km Time taken is 5 hr To Find Average speed

Q: E= -V¢ where is the electric potential. One of Maxwell's Equations for EM is VE=where p is the…

A: We have E→=-∇ϕ∇→·E→=ρε0

Q: A boy walks a distance 30 m in 1 minute and another 30 m in 1.5 minute. Describe the type of motion…

A: Given data :- distance d1 = 30 mtime t1 = 1 minutedistance d2 = 30 mtime t2 = 1.5 minute

Q: In Young's two-slit experiment, the first dark fringe above the central bright fringe occurs at an…

A: θ = (2n - 1)λ/2d for dark fringes. θ = λ/2d  for the first dark fringe as n = 1

Q: A circuit is constructed with five capacitors and a battery as shown. The values for the capacitors…

A:

Q: Determine the least count of this Vernier caliper By V.Ryan 2 A) 0.02 mm B) 0.05 mm Ⓒ 0.01 mm D)…

A: The formula to calculate the least count of a vernier calliper is given by, L.C = 1MSDTotalVSD Where…

Q: The object of mass of 4 kg accelerates to the right at 1 m/s2 by the force, F=8 N, Find the…

A:

Q: In terms of heat flow, explain why you feel cool after alcohol is rubbed on your skin.

A: The alcohol is a very volatile. That means it evaporates quickly.…

Q: A train starts from rest and accelerates uniform 420 s. The train then slows down uniformly at O…

A: Given Initial velocity of train = 0 Distance travel = 5.6 km from the start Velocity of train at the…

Q: Distance 140 km Time=4 h Determine average speed?

A: Given data:  Distance (d) = 140 km Time (t) = 4 h Required: The average speed

Q: Two weights on a bar: different axis, different I. Two small "weights," of mass 5.2 kg and 8.3 kg,…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A bicycle with 24 in diameter wheels is traveling at 17 mi/hr. Find the angular speed of the wheels…

A: Given: The diameter of the bicycle is 24 in. The speed of the wheel is 17 mi/hr.

Q: A crate of mass 95.6 kg is pushed along a floor with a force of 30 N for a distance of 18.5 m.…

A: Given that- Mass of crate(m)=95.6 kg Force(f)=30 N Distance(d) =18.5 m   To determined that -…

Q: 1. What is the electric potential 2.5 x 10-15 m away from a proton (+e)?

A:

Q: Find the mass of a car that drives at 12 m/s and has 20000 J of energy.

A: Given data :                 Velocity     =    V         Kinetic energy    =   K•E           To find…

Q: of the same mass are dropped from the same height at the same time, A is latrger than B. a) which…

A: Given:- We know that the We have a two-sphere of the same mass m and sphere are dropped from the…

Q: An electrical bulb draws a current of 5A when connected to a 400 resistor. Keeping the voltage…

A: Intialliy Current =5A Restitance = 40ohm using ohms law V =IR     =5A*40ohm      = 200v Now finally…

Q: A potato is launched from the ground at an 73 degree angle with a velocity of 48 m/s.   What…

A:

Q: A resistor of 5 Ohm is removed and then replaced by another resistor of 10 Ohm. What will happen to…

A: This result shall follow from Ohm's law, which states that V=I x R, ( where temperature and other…

Q: Sarah G. attached a 0.25-kg ball to a string and rotate it in a horizontal circle of radius 0.5 m.…

A:

Q: A cyclist travels a distance of 1 km in the first hour, 0.5 km in the second hour and 0.3 km in the…

A:

Q: The electric current I (in amperes) passing through a resistor is related to the voltage V across a…

A: Current is dependent on voltage between 2 terminals. This is called Ohm's law. More is the potential…

Q: What vector subtracted from 100km North give 200 km North 60 degrees East?

A:

Q: olve for KCL, KVL, I1, I2, I3, V2, V4, V6, V8, P2, P4, P6, and P8.

A: Using KVL we can find the the values of current  I1=0.942 A I2=0.410 A I3=-0.00983 A We know voltage…

Q: 3. Determine the direction and magnitude of the electric field at point P. The charges are separated…

A: Given Two charges are separated by a distance of 2a as shown in the figure. We have to calculate net…

Q: (5pts) Blocks A and B with masses m and M, respectively, rest on a frictionless inclined surface…

A:

Q: Identify the different currents flowing on the circuit. 1₁ 12 10 V 2002 O 13 + 8 V 30Ω

A:

Q: A 1.2-kg spring-activated toy bomb slides on a smooth surface along the x-axis with a speed of 0.50…

A: Given:-  The mass of the spring-activated toy bomb m = 1.2 kg  The speed along the x-axis is  u =…

Q: A car starts from 0 m, goes to +10 m and then back to Om. What is the cars distance? 0m 20 m -10 m…

A: (a) Arrow in blue colour starts from x= 0 and ends at  x = +5 m and then Arrow in red colour starts…

Q: Determine the momentum of a car having mass 120 kg moving with a velocity 24 m/s

A: Given data :                    Velocity     =    V                     Mass     =    m…

Q: The measurement reading in the figure below is: By V.Ryan 2 3 1 (A) 20.64 mm (B) 19.64 mm 18.46 mm…

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

Q: 9. A car with its brakes applied has an acceleration of -1.2 m/s˄2. If its initial velocity is 10…

A: Letter of correct answer - 9. Option (C) 35m is correct answer. 12. Option (B) 0.0206 m/s2 is…

Q: 1. Two objects 01 and O2 have charges +1.0μ and -2.0μC, respectively, and third object 03, is…

A:

Q: tor lies in the fo

A:

Q: A hippopotamus can run up to 9.86 m/s. Suppose a hippopotamus uniformly accelerates 0.28 m/s² until…

A: Given Information:- Acceleration of the hippopotamus is a=0.28 m/s2 Final speed of the hippopotamus…

Q: hot air balloon begins to rise from rest. The lift on the balloon due to the buoyant force is 5000…

A: Given:-  The lift on the balloon due to the buoyant force is  Fb =  5000 N. The acceleration is a =…

Q: A ring of radius 4 with current 10 A is placed on the x-y plane with center at the origin, what is…

A:

Q: Jason is shooting a pumpkin out of a cannon at 15 m/s. He tests all sorts of launch angles. What…

A: When an object is thrown upward with some angle and with a velocity u, the maximum height obtain in…

Q: Suppose that the current in the figure is increasing. What will be the direction of the induced…

A:

Q: Distance 140 km Time=4 h Determine average speed ?

A: Average speed is the ratio of total distance travelled to total time taken. Therefore, Average speed…

Q: A 1000-kg car approaches an intersection traveling north at 20.0 m/s. A 1200-kg car approaches the…

A: Given Mass of one car = m1 = 1000 kg Velocity of one car = u1 = 20 m/s in North Mass of second car =…

Q: How long does it take a plane, traveling at a constant speed of 247 m/s, to fly once around a circle…

A:

Q: If the initial velocity of a car is 5 m/s, and the final velocity is 10 m/s in 5 s, then the…

A: Final acceleration is 1m/s^2.

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.