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
ExtremeBDS [4]
3 years ago
15

What is the velocity of a car that travelled a total of 75 km north in 1.5 hrs?

Physics
1 answer:
AURORKA [14]3 years ago
3 0
V=d*t
Since d=75km=75000m
t=1.5h=3600*1.5= 5400s
=>V=75000*5400
=405000000m/s=4.05*10^8m/s
You might be interested in
A rain cloud contains 5.32 × 107 kg of water vapor. The acceleration of gravity is 9.81 m/s 2 . How long would it take for a 2.0
Alja [10]

Answer:

20.85 years

Explanation:

2.61 km = 2610 m

2.07 kW = 2070 W

First we need to calculate the potential energy required to take m = 5.32 * 10^7 kg of rain cloud to an altitude of 2610 m is

E = mgh = 5.32 * 10^7 * 9.81 * 2610 = 1.4*10^{12}J

With a P = 2070 W power pump, this can be done within a time frame of

t = E/P = \frac{1.4*10^{12}}{2070} = 658037739 s

or 658037739/(60*60) = 182788 hours or 182788 / 24 = 7616 days or 7616 / 365.25 = 20.85 years

4 0
4 years ago
When two hydrogen atoms bond, the positive nucleus of one atom attracts the a. negative nucleus of the other atom. c. negative e
Aleksandr-060686 [28]

Answer:

c

Explanation:

4 0
3 years ago
If you have 10 ounces of meat, what percentage of the calories comes from fat if the meat is 90% lean?
Lady bird [3.3K]

Answer:

There are 602 calories in 10 ounces of Ground Beef (85% Lean / 15% Fat).  serving sizes of Ground Beef

Explanation:

hope this helps if not please let me now

4 0
2 years ago
The motion of an object undergoing constant acceleration can be modeled by the kinematic equations. One such equation is xf=xi+v
Mademuasel [1]

Answer:

a = -04978 m / s²

Explanation:

For this exercise we can use the kinematics equations, as the initial speed, distance and time indicate, we can use

        x = x₀ + v₀ t + 1 /2 a  t²

       ½ a t² = x-x₀ - v₀ t

       a = (x-x₀ - v₀ t) 2 / t²

let's reduce the magnitudes to the SI system

     x₀ = 1000 mm = 1 m

     x  = 5000mm = 5m

let's calculate

     a = (5 - 1 - 15 60) 2/60²

     a = -04978 m / s²

negative sign indicates that braking is related

7 0
3 years ago
Q1- the speed will increase because the particles will have more energy which causes them to move faster
trasher [3.6K]
<h3># Question </h3>

Q1- the speed will increase because the particles will have more energy which causes them to move faster

Explanation:

<h3>With an increase in temperature, the particles gain kinetic energy and move faster. The actual average speed of the particles depends on their mass as well as the temperature – heavier particles move more slowly than lighter ones at the same temperature. </h3>
6 0
3 years ago
Other questions:
  • What is the shortest distance d you need to walk forward to be at a point where you cannot hear the speakers? the forward direct
    15·2 answers
  • An unwary football player collides with a padded goalpost while running at a velocity of 9.50 m/s and comes to a full stop after
    15·1 answer
  • The International Space Station has a mass of 1.8 × 105 kg. A 70.0-kg astronaut inside the station pushes off one wall of the st
    11·1 answer
  • Will give brainliest! how does an engineer use physical science?
    10·1 answer
  • The downsprue leading into the runner of a certain mold has a length of 175 mm. The cross-sectional area at the base of the spru
    14·1 answer
  • Which vector should be negative?
    12·1 answer
  • When atoms are split, they release energy. This concept applies to (2 points)
    5·1 answer
  • WILL MARK BRAINLIST!!! only for correct answer<br> NEED CORRECT ANSWER ASAPPP
    7·1 answer
  • Help please
    10·1 answer
  • How do make friends and other people like being around u also im lonely
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!