1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
anygoal [31]
2 years ago
5

How much time does it take a dropped object to fall 180 m on Earth?

Physics
1 answer:
rusak2 [61]2 years ago
7 0

Answer:

6s

Explanation:

Assume it is dropped from rest and the gravitational acceleration is 10

By the equation of motion under constant acceleration:

s=ut+\frac{1}{2} at^2

180 = (0)t+10(t^2)/2

t = 6 or -6 (rejected)

t = 6 s

You might be interested in
Correct formula of Na(No3)2​
ehidna [41]

Answer:

NaNO3.

Explanation:

The Na ion has one positive charge and the NO3 ion has one negative charge so the correct formula is NaNO3.

4 0
3 years ago
How do physicists define velocity?
Natalija [7]

Answer:

Velocity, quantity that designates how fast and in what direction a point is moving.

Explanation:

7 0
3 years ago
Read 2 more answers
A Heavy crate applied a force of 1500 N on a 25m2 piston. What force needs to be applied on a 0.8m2 piston to lift the crate?
Aleks04 [339]
25/1500 is equal to 0.8/x
0.8*1500 is equal to 1200
1200/25 is equal to 48 N
7 0
3 years ago
Read 2 more answers
A football player runs 20 meters North of a football field, and then 15 meters East. The total motion lasted 15 seconds. What wa
vlada-n [284]
Given:
1st run: 20 meters North
2nd run: 15 meters East
time: 15 seconds

Average speed = total distance covered / total time taken
Ave. Speed = (20m + 15m) / 15s
Ave. Speed = 35m / 15s
Ave. Speed = 2 1/3  meters per second
4 0
2 years ago
PLEASE HELP!!!
pickupchik [31]
The answer is ultraviolet rays

7 0
3 years ago
Other questions:
  • Which sound is most likely the most intense
    14·1 answer
  • Which of the following is an example of a cultural control of pests?
    11·2 answers
  • A heat engine receives 7000 j of heat and loses 3000 j in each cycle. what is the efficiency of this engine?
    5·1 answer
  • A very small object with mass 8.30×10-9 kg and positive charge 6.90×10-9 C is projected directly toward a very large insulating
    12·1 answer
  • The race car was was moving for 3.7 hours and during that time moved 500 miles east. What is the speed? What is the velocity?
    13·1 answer
  • What is the percentage increase IN kinetic energy(K.E) ,If the momentum(p) of a moving body is increase by 10%?And How? (If K.E=
    15·1 answer
  • A car drives over a hilltop that has a radius of curvature 0.120 km at the top of the hill. At what speed would the car be trave
    8·1 answer
  • Who wants to be freinds
    14·2 answers
  • Ask For
    8·1 answer
  • Energy is the energy an object has because it is in motion. *
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!