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
Vladimir79 [104]
2 years ago
8

A student pushes on a 5 kg box with a force of 20 N forward. The force of sliding friction

Physics
1 answer:
mart [117]2 years ago
4 0

Answer:

Explanation:

F=20N

mu=-10N

F=ma

20-10=10

10=(5)(a)

a=2 m/s^2

You might be interested in
Care este densitatea materialului din care se confectioneaza un cub de 5cm daca masa lui este de 0,975kg/m3?
ValentinkaMS [17]

Answer:

i speak english not spanigh sorry :(

Explanation:

5 0
3 years ago
Read 2 more answers
A piece of metal has a mass of 10g and a mass of 2cm
qwelly [4]

Answer:

so whats the  questain?!

Explanation:

idgi

3 0
2 years ago
Match the speed to the section that describes.
inn [45]

Answer:

a=2 ok do it and ........

4 0
3 years ago
A bicyclist in the Tour de France crests a mountain pass as he moves at 18 km/h. At the bottom, 4.0 km farther, his speed is at
Allisa [31]

We are given:

v0 = initial velocity = 18 km/h

d = distance = 4 km

v = final velocity = 75 km/h

a =?

<span>
We can solve this problem by using the formula:</span>

v^2 = v0^2 + 2 a d

 

75^2 = 18^2 + 2 (a) * 4

5625 = 324 + 8a

<span>a = 662.625 km/h^2</span>

6 0
3 years ago
In the context of energy transfers with hot and cold reservoirs, the sign convention is that _______________.
Likurg_2 [28]

Answer:

B. QC > 0; QH < 0

Explanation:

Given that there are two reservoir of energy.

Sign convention for heat and work :

1.If the heat is adding to the system then it is taken as positive and if heat is going out from the system then it is taken as negative.

2. If the work is done on the system then it is taken as negative and if the work is done by the system then it is taken as positive.

From hot reservoir heat is going out that is why it is taken as negative

Q_H

From cold reservoir heat is coming inside the reservoir that is why it is taken as positive

Q_C>0

That is why the answer will be

Q_H ,Q_C>0

8 0
3 years ago
Other questions:
  • What wave phenomenon is responsible for the sunlight shown in this diagram? A.)Diffraction, because light is bent around the clo
    14·2 answers
  • - The school zone in front of your school has a posted speed limit of 25 mi/h, which is about 11 m/s. Let's
    11·1 answer
  • A girl pushes on a table with a 5-newton force directed to the east. Her friend pushes on the same table with a 10- newton force
    6·2 answers
  • At the instant a traffic light turns green, a car starts from rest with a given constant acceleration of 0.5 m/s squared. Just a
    12·1 answer
  • A ball dropped from rest falls freely until it hits the ground with a speed pf 20 m/s. The time during with the ball is in free
    11·1 answer
  • A system consists of two charges,
    9·1 answer
  • If the current in a wire of a cd player is 12.0 ma, how long would it take for 6.50 c of charge to pass a point in this wire? an
    8·1 answer
  • 1
    7·1 answer
  • Please help very easy 5th grade work giving brainliest
    10·1 answer
  • 1. How many atoms are needed to form a molecule?<br> Answer:
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!