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
klio [65]
3 years ago
12

Write the first equation of motion. Under what condition(s) is this equation valid?​

Physics
1 answer:
Zepler [3.9K]3 years ago
3 0

Explanation:

The first equation of motion in kinematics is given by :

v=u+at .....(1)

u is initial speed

a is acceleration

v is final speed

t is time

Equation (1) is valid when the object is moving with constant acceleration. This equation gives relation between velocity and time.

You might be interested in
What type of charge is used as the test charge to determine the direction of electric fields?
Dmitriy789 [7]

Answer:

B small positive charge

Explanation:

5 0
2 years ago
a test tube has a diameter of 3cm . how many turns would a piece of thread of length 90.42 make round test tube​
nadya68 [22]

Answer:

4.8 turns would be made around the tube

Explanation:

You need the circumference of the tube since it's just a lifted circle

2×pi×3=18.85

90.42/18.85=4.79

And round that to 4.8

6 0
3 years ago
Estimate how long a 2500 W electric kettle would take to boil away 1.5 Kg of water . The specific latent heat of vaporization of
andrew-mc [135]

The time it would take a 2500 W electric kettle to boil away 1.5 Kg of water is 2400 seconds

<h3>How to calculate the time</h3>

Use the formula:

Power × time = mass × specific heat

Given mass = 1. 5kg

Specific latent heat of vaporization = 4000000 J/ Kg

Power = 2500 W

Substitute the values into the formula

Power × time = mass × specific heat

2500 × time = 1. 5 × 4000000

Make 'time' the subject

time = 1. 5 × 4000000 ÷ 2500 = 6000000 ÷ 2500 = 2400 seconds

Therefore, the time it would take a 2500 W electric kettle to boil away 1.5 Kg of water is 2400 seconds.

Learn more about specific latent heat of vaporization:

https://brainly.in/question/1580957

#SPJ1

8 0
2 years ago
Which would be the best example to demonstrate the principle of conservation of energy? A) a stone is crushed B) light bends aro
Daniel [21]
The answer is a pendulum swings back an forth.
6 0
3 years ago
Read 2 more answers
A baseball is thrown at a 28° angle and an initial velocity of 70 m/s. Assume no air resistance. What is the vertical component
icang [17]

Answer:

answer is 61.8 m/s; 32.9

l am not sure

3 0
2 years ago
Other questions:
  • How much mass dose a vehicle have if it needs 29000 Newton’s of force to accelerate it at a rate of 4m/s
    9·1 answer
  • What velocity vector will move you 200 miles east in 4 hours traveling at a constant speed?
    6·1 answer
  • How to divide electrons into energy levels?
    15·1 answer
  • How is the DNA in humans similar and different to DNA in other organisms ?
    12·1 answer
  • Reeti has a mass of 51.0 kg. The Gravitron, a ride that spins so fast that the floor can be removed without the riders falling,
    13·1 answer
  • An electromagnetic generator consists of a coil that has 100 turns of wire, has an area of 400 cm2, and rotates at 60 rev/ s in
    15·1 answer
  • Two mirrors are at right angles to one another. A light ray is incident on the first at an angle of 30° with respect to the norm
    6·1 answer
  • Suppose an automobile engine can produce 180 N*m of torque, and assume this car is suspended so that the wheels can turn freely.
    9·1 answer
  • A car accelerates at 4 m/s/s from rest. What is the car's velocity after it travels 20 m?
    13·1 answer
  • Define critical angle<br>​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!