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
Dmitrij [34]
2 years ago
11

PLS HELP !!

Physics
2 answers:
stepan [7]2 years ago
7 0

Answer:

D.

Explanation:

the masses must be equal

Ira Lisetskai [31]2 years ago
4 0
A because it’s basic kinetic example
You might be interested in
A 2 kg, frictionless block is attached to a horizontal, ideal spring with spring constant 300 N/m. At t = 0 the spring is neithe
schepotkina [342]

Answer:

Explanation:

Given that,

Mass of block

M = 2kg

Spring constant k = 300N/m

Velocity v = 12m/s

At t = 0, the spring is neither stretched nor compressed. Then, it amplitude is zero at t=0

xo = 0

It velocity is 12m/s at t=0

Then, it initial velocity is

Vo = 12m/s

Then, amplitude is given as

A = √[xo + (Vo²/ω²)]

Where

xo is the initial amplitude =0

Vo is the initial velocity =12m/s

ω is the angular frequency and it can be determine using

ω = √(k/m)

Where

k is spring constant = 300N/m

m is the mass of object = 2kg

Then,

ω = √300/2 = √150

ω = 12.25 rad/s²

Then,

A = √[xo + (Vo²/ω²)]

A = √[0 + (12²/12.5²)]

A = √[0 + 0.96]

A = √0.96

A = 0.98m

4 0
3 years ago
A 1500 kg car traveling at 80.0 km/h comes to a screeching halt in a time of 4.00 seconds. Calculate the force of friction exper
amm1812

Answer:

F=m x a

(F is force ,M is mass and A is acceleration)

in thisncase the Mass is given but we need to find ou the acceleration

Formula for acceleration-

a=(v - u)/t

(v is final velocity , u is initiatal velocity and t is time)

a = (0 - 80)/4

a= -80/4

a= -20

By substituting the values-

F= m x a

F= 1500 x -20

F=-30000N

Thus the force acted is -30000N

hope this helps

7 0
3 years ago
________ reaction time involves selecting a specific and correct response from several choices when presented with several diffe
kobusy [5.1K]
Complex reaction time involves selecting a specific and correct response from several choices when presented with several different stimuli.
Answer: A
8 0
3 years ago
Read 2 more answers
Light travels 300,000,000 m/s, and one year has approximately 32,000,000 seconds. a light year is the distance light travels in
irina [24]
300 000 000 m/s  in km/s

1000 m = 1km

300 000 000 m/s  = 3 * 10⁸ m/s =  3 * 10⁵ *10³ m/s

=  3 * 10⁵ *10³ m/s

= 3 * 10⁵ km/s

Speed = 3 * 10⁵ km/s
6 0
3 years ago
Read 2 more answers
Why do noble gasses rarely react with other elements?
ollegr [7]
Noble gasses have an outer shell full of electrons. A full outer energy level is the most stable arrangement of electrons. As a result, noble gases cannot become more stable by reacting with other elements and gaining or losing valence electrons. Therefore, noble gases are rarely involved in chemical reactions and almost never form compounds with other elements.
3 0
2 years ago
Other questions:
  • Can someone help me with this but give details please? (it's a physics class)​
    6·1 answer
  • What condition is necessary for an object to make a good reference point?
    7·1 answer
  • The importance of globular clusters in determining the correct location of the center of the Milky Way Galaxy is that they conta
    13·1 answer
  • If speed quadruples from 11 m/s to 44 m/s, what happens to the kinetic energy?
    14·1 answer
  • This is for 6th grade Science -Geology - weather and climate.
    6·1 answer
  • What's the name for how you see the world through your perception<br> in cognitive theory.
    10·2 answers
  • Which of the following statements does NOT describe force?
    10·2 answers
  • Which is the best explanation for his results?
    5·2 answers
  • A cargo plane loses one of it's shipments mid
    5·1 answer
  • 17
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!