Q1 as part of a safety investigation two 1300kg cars

Assignment Help Physics

Reference no: EM13351200

Q1. As part of a safety investigation, two 1300kg cars traveling at 18m/s are crashed into different barriers. Find out an average forces exerted on

(a) car that hits a line of water barrels and takes 1.8s to stop, and

(b) car that hits a concrete barrier and takes 0.5s to stop.

Q2. Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 60.0-W electric heating element is immersed in an insulated vessel containing 46.5 L of liquid nitrogen at its boiling point. How various kilograms of nitrogen are boiled away in time of 7.50 h?

Reference no: EM13351200

Questions Cloud

Q1 a simple harmonic oscillator consists of a block of mass : q1. a simple harmonic oscillator consists of a block of mass 1.20 kg attached to a spring of spring constant 184 nm. as

Q1 an observer moving toward earth with a speed of 097 : q1. an observer moving toward earth with a speed of 0.97 notices that it takes 5min for a person to fill her car with

Q1 a 310-m-long 310 kg steel beam extends horizontally from : q1. a 3.10-m-long 310 kg steel beam extends horizontally from the point where it has been bolted to the framework of a

Q1 if air drag is negligibly small how fast is sequoia cone : q1. if air drag is negligibly small how fast is sequoia cone moving while it reaches the ground if it dropped from the

Q1 as part of a safety investigation two 1300kg cars : q1. as part of a safety investigation two 1300kg cars traveling at 18ms are crashed into different barriers. find out

Q1 two balls of masses 43kg and 65kg are suspended the : q1. two balls of masses 43kg and 65kg are suspended. the lighter ball is pulled away to a 66 angle with the vertical

Q1 an alpha particle m 67 acute 10-27 kg q 32 acute 10-19 : q1. an alpha particle m 6.7 acute 10-27 kg q 3.2 acute 10-19 c has a speed of 20 kms at point a and moves to point b

Q1 a meterstick is at rest in an inertial frame s2 if s2 : q1. a meterstick is at rest in an inertial frame s2. if s2 moves with a speed of 0.7c with respect to a rest frame s1

Q1 to evaluate the program suppose she runs up a flight of : q1. to evaluate the program suppose she runs up a flight of 85 steps each 0.150 m high in 69.0 s. for simplicity ignore

User Account

All Pages