A train travels 55 km south along a straight track in 34 minutes. What is the train's average velocity in kilometers per hour?

What do most scientists believe is leading to climate change today? a. more volcanic and earthquake activity b. rising temperatures on the Sun c. increased amounts of greenhouse gases in the atmosphere d. changes in the Earth's orbit

The greatest ocean depths on the earth are found in the marianas trench near the philippines. calculate the pressure due to the ocean at the bottom of this trench, given its depth is 11.

Structures that trap light energy and perform photosynthesis

Which of these activities performed by a chemist is primarily based on an understanding of physics? A. using an indicator to determine if a solution is an acid, base, or neutral B. testing the molar concentration of a solution OC.

Which term best describes the speed or rate at which glacial erosion takes place?

Explain why glucose is important to a cell

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?

What is the force of gravity acting on a 2000-kg spacecraft when it orbits two Earth radii from the Earth's center (that is a distance r=6380 km above the Earth's Surface. The mass of the Earth is 5.98 x 1024 kg.

An LC circuit has a 6.00 mH inductor. The current has its maximum value of 0.570 A at t = 0s. A short time later the capacitor reaches its maximum potential difference of 66.0 V. What is the value of the capacitance?