005 (part 1 of 2) 10.0 points
A runner is jogging in a straight line at a
steady v,= 2.1 km/...
Physics, 28.09.2021 20:50, cpcoolestkid4
005 (part 1 of 2) 10.0 points
A runner is jogging in a straight line at a
steady v,= 2.1 km/hr. When the runner is
L= 4.4 km from the finish line, a bird begins
flying straight from the runner to the finish
line at us= 10.5 km/hr (5 times as fast as
the runner). When the bird reaches the finish
Answers: 3
Physics, 21.06.2019 22:20, kl8774
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 22.06.2019 04:40, joneil1952
Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure
Answers: 3
Physics, 22.06.2019 07:20, Nadi4753
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
Mathematics, 02.12.2019 09:31
Health, 02.12.2019 09:31
Mathematics, 02.12.2019 09:31
Chemistry, 02.12.2019 09:31
English, 02.12.2019 09:31