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Archy [21]
3 years ago
13

Which of the following is NOT a

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

Answer:B

Explanation:

Lana71 [14]3 years ago
6 0

Answer:

b

Explanation:

Because light is not a state of matter

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Formula for percentage error​
GarryVolchara [31]

Answer:

PE = (|accepted value – experimental value| \ accepted value) x 100%

Explanation:

7 0
2 years ago
A woman does 260 J of work to move a table 1.9 m across the floor. What is the magnitude of the force applied by the woman to th
balandron [24]

Answer:136.8N

Explanation:

Work=260joules

Distance=1.9m force=?

Force=work/distance

Force=260/1.9

Force=136.8N

4 0
3 years ago
If the frequency of a given wave increases,what happens to the wavelength?
Greeley [361]
It shortens so that the tips reach faster
8 0
2 years ago
Read 2 more answers
How many electrons are in the element that comes just before platinum in the periodic table?
laila [671]

The element is iridium and it has 77 electrons

7 0
3 years ago
You push on a cart (18.0kg) at a 30 degree below horizontal angle. The coefficient of kinetic friction between the chair and the
podryga [215]

Given that force is applied at an angle of 30 degree below the horizontal

So let say force applied if F

now its two components are given as

F_x = Fcos30


F_y = Fsin30


Now the normal force on the block is given as

N = Fsin30 + mg

N = 0.5F + (18\times 9.8)

N = 0.5F + 176.4

now the friction force on the cart is given as

F_f = \mu N

F_f = 0.625(0.5F + 176.4)

F_f = 110.25 + 0.3125F

now if cart moves with constant speed then net force on cart must be zero

so now we have

F_f + F_x = 0

Fcos30 - (110.25 + 0.3125F) = 0

0.866F - 0.3125F = 110.25

F = 199.2 N

so the force must be 199.2 N

8 0
3 years ago
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