How many times bigger is the earth than the moon?

Fiora starts riding her bike at 20 mi/h. After a while, she slows down to 14 mi/h, and maintains that speed for the rest of the trip. The whole trip of 112 miles takes her 6.5 hours. For how long did she travel at 20 mi/h?

Solar System Model Comparison and Contrast Chart

Predict whether or not a Mg2 molecule is stable. a. Mg2 is stable with a bond order of 2b. Mg2 is stable with a bond order of 0.5c. Mg2 is stable with a bond order of 1d. Mg2 is not stable

Compare a cup of hot coffee with the Pacific Ocean. Which statement about thermal energy and temperature is correct?

What type of electromagnetic radiation travels the fastest? a) radio waves b) sound waves c) X-rays d) infrared rays e) All of the above

Which of the following statements is true? The freezing and boiling temperatures of a substance are the same. The freezing and condensation temperatures of a substance are the same. The freezing and melting temperatures of a substance are the same.

What's bigger 32A or 32B

Two charged objects have a repulsive force of. 080 N. if the charge of both of the objects is doubled, then what is the new force?

A hiker leaves her camp and walks 3.5 km in a direction of 55° south of west to the lake. after a short rest at the lake, she hikes 2.7 km in a direction of 16° east of south to the scenic overlook.

A star has a mass of 1.36 x 1030 kg and is moving in a circular orbit about the center of its galaxy. the radius of the orbit is 2.1 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the star is 1.1 x 10-15 rad/s.