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
Marrrta [24]
3 years ago
7

A friend on skis stands still on level ground, with dry 0.00°C with a coefficient of static friction of 0.0300. How hard would y

ou have to push your friend in the forward horizontal direction to move him if your friend weighs 685 N?​
Physics
1 answer:
Salsk061 [2.6K]3 years ago
6 0

Answer:

20.6 N

Explanation:

Friction equals normal force times coefficient of friction.

F = Fn μ

On level ground, normal force equal weight.

Fn = W

Therefore:

F = W μ

F = (685 N) (0.0300)

F = 20.6 N

You might be interested in
A particle moving with initial velocity of 5m/s is subjected to a uniform acceleration of -2.5 m/s2.find the displacement for ne
LUCKY_DIMON [66]
1/2vt^2-1/2at^2
1/2*5*16-1/2*2,5*16=20
6 0
3 years ago
Numeria
Vinil7 [7]

Answer:

hope it helps

plz mark as brainliest

5 0
3 years ago
Read 2 more answers
A group of engineers is preparing a satellite to land by moving it 10% closer to
aleksklad [387]

Answer:

Rotational inertia decreases proportional to the decrease in the radius of rotation.

Explanation:

7 0
3 years ago
True or false the refraction of a wave is how many wavelengths pass a fixed point each second
Ksenya-84 [330]
False. That description fits the wave's 'frequency'. 
It has nothing to do with refraction.
8 0
3 years ago
Read 2 more answers
Daffy Duck is standing 6.8 m away from Minnie Duck. The attractive gravitational force between them is 5.4x10-8 N. If Daffy Duck
artcher [175]

Answer:

432.78 Kg

Explanation:

From the question given above, the following data were obtained:

Distance apart (r) = 6.8 m

Force of attraction (F) = 5.4×10¯⁸ N

Mass of Daffy Duck (M₁) = 86.5 kg

Mass of Minnie Duck (M₂) =?

NOTE: Gravitational constant (G) = 6.67×10¯¹¹ Nm²/Kg²

The mass of Minnie Duck can be obtained as follow:

F = GM₁M₂ / r²

5.4×10¯⁸ = 6.67×10¯¹¹ × 86.5 × M₂ / 6.8²

5.4×10¯⁸ = 6.67×10¯¹¹ × 86.5 × M₂ / 46.24

Cross multiply

6.67×10¯¹¹ × 86.5 × M₂ =5.4×10¯⁸ × 46.24

Divide both side by 6.67×10¯¹¹ × 86.5

M₂ = 5.4×10¯⁸ × 46.24 / 6.67×10¯¹¹ × 86.5

M₂ = 432.78 Kg

Therefore, the mass of Minnie Duck is 432.78 Kg

8 0
3 years ago
Other questions:
  • A neutral metal comb is held near an object with a negative charge. What happens to the comb?
    7·1 answer
  • The time needed for a wave to make one complete cycle is its
    10·1 answer
  • A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. relat
    14·1 answer
  • The position of a particle for t > 0 is given by ????⃗ (????)=(m.
    5·1 answer
  • A spring stretches 2.6 cm when a 7 g object is hung from it. The object is replaced with a block of mass 28 g which oscillates i
    14·1 answer
  • studyhero A violin string has a length, from the bridge to the end of the fingerboard, of 50 cm. That section of the string has
    8·1 answer
  • Question 2 (5 points)
    11·1 answer
  • Wave speed?_____<br> Frequency?_____<br> Wavelength?_____
    5·1 answer
  • 1) How is density different than mass?
    11·1 answer
  • What does the evidence in this passage suggest?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!