DamienDenninson

which answer is it then?

Thank You

Thank You so much:) can you pelase help me with my next few questions?

These are the options possible for this problem:

A.6.0 × 1023 

B.1.25 × 1019 

C.6.3 × 109 

D.6.25 × 1018 

E.1.6 × 1019 

Please respond 

A refirgerator pulls heat from the inside compartment at the rate of of 10kJ. It dumps 14 KJ into the air in the kitchen each cycle. What is the coefficient of the performance?

A. 0.40

B.0.71

C.2.5

D.1.4

 Post New Answer

An jet flies between two points on the ground that are 500 km apart with an airspeed of 200 m/s. The destination is directly north of the point of origin of the flight.. If a constant wind blows at 10 m/s toward the west during the flight, what direction must the plane fly relative to the air to arrive at the destination?

A.5.9° east of north

B.2.9° east of north

C.2.9° west of north

D.5.9° west of north

E.85° west of north

ok Im stuck since I plugged the numbers in and got 24 m/s/.65m/s^2 then (24+0)?2 then I got 443.076999977 what do I do?

Thank You So Much:) my nest quetsion consist of: A new SpaceX rocket is being tested and launches from the ground. The first stage rocket engine provides constant upward acceleration during the burn phase. After the first stage engine burns out, the rocket has risen to 105.0 m and acquired an upward velocity of  The second stage fails to fire. The rocket continues to rise, reaches maximum height, and falls back to the ground. Neglect air resistance. The time interval during which the rocket engine provided the upward acceleration, is closest to

3.0 s.

4.2 s.

1.5 s.

1.7 s.

4.0 s.