Physics, 18.03.2020 15:46 00109625

12. A ship travels 50 km due [N] and then turns and travels 30 km due [S] in 4.0 hours. What is its
average velocity?
a. 5.0 km/h [N]
b. 5.0 km/h [S]
c. 20 km/h [N]
d. 20 km/h [S]

Answers: 1

Show answers

Another question on Physics

Physics, 21.06.2019 19:40

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

Answers: 3

Answer

Physics, 22.06.2019 10:00

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Answers: 1

Answer

Physics, 22.06.2019 12:00

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Answers: 1

Answer

Physics, 22.06.2019 21:30

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?

Answers: 2

Answer

You know the right answer?

12. A ship travels 50 km due [N] and then turns and travels 30 km due [S] in 4.0 hours. What is its<...

Questions