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Alja [10]
3 years ago
13

A bicycle is a compound machine, true or false

Physics
2 answers:
CaHeK987 [17]3 years ago
6 0

Answer:

True.

Explanation:

A bicycle is a compound machine.

JulsSmile [24]3 years ago
5 0

This is true. The break handles and brakes are levers and the seat adjustment (raise or lower) is a screw.

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If the diving board is 3.00 m above the water, what is the diver's speed just before she enters the water?
AveGali [126]
The diver's speed is 1.4m/s.

Steps
1. Find time.
The equation for time based upon
distance is 2y/9.8m/s cubed. From this
we got 2.1 seconds.

2. Find speed or velocity.
The equation for velocity is d/t=v. From
this we got 1.4m/s.
7 0
3 years ago
The atom in the diagram has neutral charge. How many protons does it have
Pepsi [2]

Answer:6

Explanation:

3 0
3 years ago
A force that causes an object to change its motion is called?
GarryVolchara [31]
Unbalanced force.

The definition of an unbalanced force is a force that changes the position, speed or direction of the object to which it is applied.

When an object is still it means that is is balanced force. So you would need to add more force to another side to make it move. Which is unbalanced force.
8 0
3 years ago
Light is an electromagnetic wave and travels at a speed of 3.00 × 108 m/s. The human eye is most sensitive to yellow-green light
Nimfa-mama [501]

Answer:

f = 5.95 \times 10^{14} Hz

Explanation:

As we know that the frequency of the wave is given as

f = \frac{c}{\lambda}

here we know that

c = 3 \times 10^8 m/s

also we know that

\lambda = 5.04 \times 10^{-7} m

now we have

f = \frac{3 \times 10^8}{5.04 \times 10^{-7}}

f = 5.95 \times 10^{14} Hz

6 0
2 years ago
Which property increases as an electromagnetic waves energy decreases
Rufina [12.5K]

Answer:

Wavelength

Explanation:

3 0
2 years ago
Read 2 more answers
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