Problem 3: A runaway train car that has a mass of 17500 kg travels at a speed of 5.2 m/s down a track. Randomized Variables m = 17500 kg v = 5.2 m/s F = 1550 N Part (a) What is the time required for a force F to bring the car to rest, expressed in terms of m, v, and F?

Q: Which quadrant corresponds to an angle of 195 degrees?

A: Introduction: Trigonometry is the branch of the mathematics which study the angle and their…

Q: Those answers were incorrect

A:

Q: The questions below

A: Given, Measured critical angle is 43° Now formula for calculating critical angle = sin-1(1/n), where…

Q: Mass (m): Mechanical Energy (ME) = 1,000,000 J PE = 998,791 J h: v = 1.5 m/s KE: v: 55m v = 31.28…

A: At stage 1: PE = 998791 KE = Total mechanical energy - PE  KE = 1209 J KE = 12mv2 = 1209 m=1074.67…

Q: calculate <9144

A: Wavefunction In Quantum Mechanics, the wavefunction of a particle is a mathematical function that…

Q: what is wrong with answer being 672.1

A:

Q: e, which is the unit of:

A: Given: The unit is given below:

Q: How would I round it for scientific notation?

A:

Q: Below is a closed conducting loop within a magnetic field (for direction see picture). The loop is a…

A: Radius of loop, r=17cm⇒0.17m Rate of change of magnetic field, dBdt=157mT/s⇒0.157T/s Number of…

Q: Thank you,

A:

Q: write a question that fits this diagram and solve it k M R 3 R Đ H

A:

Q: E1.A horizontally directed force of 25.0 N is used to pull a box a distance of 1.5 m across a…

A: Dear Student,   As per our company policy, I am allowed to answer only first 3 subparts. So, kindly…

Q: what is the reading in the micrometer ?

A: Least count of micrometer : Least count of micrometer=smallest reading of main scaleTotal number of…

Q: so how do we get the an

A: Intial velocity (u) = 40 m/sFinal velocity (v) = 10 m/sDistance travelled (s) = 1750 musing the…

Q: Each morning, George goes for a walk. He begins walking slowly at a constant speed away from his…

A: Phases of the George’s walk: 1. Walks slowly at constant speed away from his house. 2. Then he slows…

Q: - 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force exerted by the surface on…

A: Part (40): Given: The mass of the object is 2 kg.

Q: A cannonball is launched diagonally with an initial horizontal velocity of 38.0m/s. Label the…

A: (1) Given: The initial horizontal velocity is 38.0 m/s. The angle of launch is 23.0°.

Q: In the circuit pictured, the resistors have values of R1 = 170 Q, R2 = 62 Q, and R3= 130 Q, and the…

A: As per the guide lines first question is answered. kindly post the next question as a new post. 11.…

Q: Where did you get the first part of b) from? Before multiplying it by e- landaBt

A: Given Data: The successive decay series are A B and C.And their decay constant are respectively λA,…

Q: Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh,…

A: Given, Electricity usage,  57 kWh of electricity at $0.35 per kWh, 91kWh of electricity at $0.26 per…

Q: What is the height in meters of a 5 foot 6.0 inch tall person? m

A: given that,h=5 foot 6 inchconvert h in meters

Q: Part A At this instant, is the particle in the (Figure 1) speeding up, slowing down, or traveling at…

A:

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.