Do i become a professional astrophysicist after getting PhD in Astrophysics? Or will i be a postdoc research student i mean will i be practicing under another researcher? Will i get the correct salary just after finishing PhD?

A certain cable of an elevator is designed to exert a force of 4.5x 104 N. If the maximum acceleration that a loaded car can withstand is 3.5 m/s2 (the current fastest elevators in the world undergo an acceleration of less than 3.

what is an expression representing a chemical reaction; the formula of the reactants are connected by an arrow with the formulas for the products

The first "lunar olympics" is to be held on the Moon inside a huge dome. Of the usual Olympic events-track and field, swimming, gymnastics, and so on - which would be drastically affected by the Moon's lower gravity? (Select all that apply.

The two main currents that affect the united states on the eat coast and west coast

What is the term for the circular movement of material inside Earth's mantle?

If the average velocity of a duck is zero in a given time interval, what can you say about the displacement of the duck for that interval?

How much power can I generate while lifting a mass for 30 seconds?

A car is idling at a stoplight. When the light turns green, the car takes 12 seconds to accelerate to 18.7 m/s. What is the average acceleration of the car? 0.64 m/s2 1.6 m/s2 -0.64 m/s2 -1.6 m/s2

A child on a sled starts from rest at the top of a 15° slope. if the trip to the bottom takes 23.9 s how long is the slope? assume that frictional forces may be neglected.

Which si prefix means one one-hundredth (1/100) ?