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
Rasek [7]
3 years ago
8

a 3,000kg truck runs into the rear of a 1000kg car that was stationary. The truck and car are locked together after the collisio

n and move with speed 9m/s what was the speed of the truck before the collision?
Physics
1 answer:
joja [24]3 years ago
7 0
FVJDJFN.s<ldF KN,M c":F,BJ TNHIJRT IHJYODIFG 
You might be interested in
Which would have the longer orbital period: a moon 1 million km from the center of Jupiter, or a moon 1 million km from the cent
Harman [31]

Answer:

earth

Explanation:

The formula for the orbital period of the moon is given by

T = 2\pi \sqrt{\frac{r}{g}}

As the time period is inversely proportional to the square root of the acceleration due to gravity of the planet.

As the value of acceleration due to gravity on Jupiter is more than the earth, so the period of moon around the earth is large as compared to the period of the moon around the Jupiter when the distance is same.

5 0
3 years ago
What is a literature review?<br>​
almond37 [142]

Answer: A literature review consists of an overview, a summary, and an evaluation (“critique”) of the current state of knowledge about a specific area of research.

Explanation:

7 0
2 years ago
Why is velocity and not just speed important to these pilots
Alborosie
Velocity is a vector. Therefore, it depends on the direction. Pilots need to know the direction of wind, not just the speed. If the pilot is going South, and there's 5 mph wind going South, they'll be happy, but if the wind is going 5 mph North, they'll be going against the wind.
7 0
3 years ago
How do you know what state of matter the particles are in?
lianna [129]

Answer:  The amount of energy consisted in the molecules determines the state of matter.

Explanation:

7 0
2 years ago
How many kWh of energy does a 550-W toaster use in the morning if it is in operation for a total of 5.0 min? At a cost of 9.0 ce
iren [92.7K]

Answer:

0.0458 kWh

6.5736 cents

Explanation:

The formula for electric energy is given as

E = Pt................. Equation 1

Where E = Electric energy, P = Electric power, t = time.

Given; P = 550 W, t = 5 min = (5/60) h = 0.083 h.

Substituting into equation 1

E = 550(0.083)

E = 45.83 Wh

E = (45.83/1000) kWh

E = 0.0458 kWh.

Hence the kWh = 0.0458 kWh.

If the makes a toast four morning per week, and the are Four weeks in a month.

Total number days he makes toast in a month = 4×4 = 16 days.

t = 16×0.083 h = 1.328 h.

Total energy used in a month = 550(1.328)

E = 730.4 Wh

E = 0.7304 kWh.

If the cost of energy is 9.0 cents per kWh,

Then for 0.7304 kWh  the cost will be 9.0(0.7304) = 6.5736 cents.

Hence this would add 6.5736 cents to his monthly electric bill

3 0
3 years ago
Other questions:
  • watching television with the remote control in your hand which of the folling exerts the greatest gravitational force on you
    9·2 answers
  • Write down Newton's second law in terms of momentum and acceleration. Write down this law in the form of differential equation (
    8·1 answer
  • Need help on this please
    8·1 answer
  • What happens to the magnetic force as the distance between two magnetic poles decreases?
    14·2 answers
  • A horizontail rod (oriented in the east -west direction) is moved northward at a constant velocity through a magnetic field that
    11·1 answer
  • 38. You are fishing and catch a fish with a mass of
    6·1 answer
  • four equal charges of +3microcolumb are placed at the four corners of a square that is 40cm on a side. Find the force on any one
    13·1 answer
  • A metal bar magnet produces a magnetic field in space surrounding it. The point
    5·1 answer
  • 3. Rock A is thrown horizontally off of a cliff with a velocity of 20 m/s. The
    13·1 answer
  • A 5.2 kg cat and a 2.5 kg bowl of tuna fish are at opposite ends of the 4.0-m-long seesaw. How far to the left of the pivot must
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!