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
Reil [10]
3 years ago
7

The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car’s moti

on?
Physics
2 answers:
Nitella [24]3 years ago
3 0
The car is staying still. either getting petrol or stopped at a light .

Novosadov [1.4K]3 years ago
3 0

Answer:

The car is not moving

Explanation:

On a position-time graph, the gradient of the line represents the velocity. If the gradient is positive, then the car is speeding up, if it is negative, then the car is slowing down, if it is a horizontal line (where the gradient is zero) then the velocity is zero.

Hence, the horizontal line indicated that the car is not moving.

You might be interested in
A 2 kg ball of putty moving to the right at 3 m/s has a perfectly inelastic, head-on collision with a 1 kg ball of putty moving
Aneli [31]

Answer:

V=1.33m/s   to the right

Explanation:

The balls collide in a completely inelastic collision, in other words they have the same velocity after the collision, this velocity has a magnitude V.

We need to use the conservation of momentum Law, the total momentum is the same before and after the collision.

In the axis X:

m_{1}*v_{o1}-m_{2}*v_{o2}=(m_{1}+m_{2})V     (1)

V=(m_{1}*v_{o1}-m_{2}*v_{o2})/(m_{1}+m_{2})=(2*3-1*2)/(2+1)=1.33m/s

5 0
2 years ago
In Part 6.2.2, you will determine the wavelength of the laser by shining the laser beam on a "diffraction grating", a set of reg
harkovskaia [24]

Answer:

λ = 2042 nm

Explanation:

given data

screen distance d = 11 m

spot s = 4.5 cm = 4.5 ×10^{-2} m

separation L = 0.5 mm = 0.5 ×10^{-3} m

to find out

what is λ

solution

we will find first angle between first max and central bright

that is tan θ = s/d

tan θ = 4.5 ×10^{-2}  / 11

θ = 0.234

and we know diffraction grating for max

L sinθ  = mλ

here we know m = 1  so put all value and find λ

L sinθ  = mλ

0.5 ×10^{-3}  sin(0.234)  = 1 λ

λ = 2042.02 ×10^{-9}  m

λ = 2042 nm

3 0
3 years ago
Which of the following caught in or caught between hazard poses the greatest risk when working in excavations and trenches? A. B
RSB [31]
I believe the correct answer is b.) cave-ins
6 0
3 years ago
Read 2 more answers
A spiral spring of 8cm extended to 9.2cm when a load of 1.6N is applied. what is the force constant of the spring, provided the
DerKrebs [107]

Explanation:

By Hooke's Law, Fe = kx.

Since Fe = 1.6N and x = 9.2cm - 8cm = 1.2cm,

k = Fe/x = 1.6N/1.2cm = 1.33N/cm.

5 0
2 years ago
Question 1 A car is moving with a positive acceleration. Which of the following accurately depicts the direction of its velocity
Mariulka [41]
The velocity will be positive and linear.
5 0
3 years ago
Other questions:
  • A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, is dropped from the same point at t = 160 ms. (
    10·1 answer
  • A tennis player is hitting a 58 gram tennis ball back across the net. When the racquet and the ball first make contact, the ball
    15·1 answer
  • Calculate (a) the maximum capillary rise of water between two vertical glassplates spaced 0.15 mm apart and (b) the minimum capi
    14·1 answer
  • what do we call a solar power plant that uses mirrors to focus the light of the sun on a central point
    13·1 answer
  • What inertia is present in streched rybber​
    14·1 answer
  • What is the Real anti virus software?
    15·2 answers
  • You are working as a letter sorter in a U.S. Post Office. Postal regulations require that employees' footwear must have a minimu
    15·1 answer
  • Consider the reaction below Na2CO3 (aq) + CaCl2 (aq) CaCO3 (s) + 2NaCl (aq) If the releases 39.4 kJ of energy, how many kilocalo
    5·1 answer
  • What chemical formula did early instigators assume for water?
    14·1 answer
  • Pot holder should have high insulation and low _____.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!