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sdas [7]
3 years ago
9

What happens when velocity and acceleration are not in the same direction?

Physics
1 answer:
aev [14]3 years ago
7 0
I think it means the object is slowing down
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A "biconvex" lens is one in which both surfaces of the lens bulge outwards. Suppose you had a biconvex lens with radii of curvat
madam [21]

Answer:

12 cm

Explanation:

We shall use Lens makers formula here which is as follows

\frac{1}{F} =(\mu-1) (\frac{1}{R_1} -\frac{1}{R_2})

Put μ = 1.5 , R₁ = 10 cm ,R₂ = -  15 cm ( according to sign convention )

\frac{1}{F} =(1.5-1) (\frac{1}{10} -\frac{1}{-15})

= .5 x ( 15 + 10 ) / 15 x 10

= \frac{25}{2\times10\times15}

F = 12 cm

7 0
3 years ago
Currents during lightning strikes can be up to 50000 A (or more!). We can model such a strike as a 49500 A vertical current perp
Tema [17]

Answer:

59.4 N

Explanation:

The force exerted on a current-carrying wire due to a magnetic field perpendicular to the wire is given by

F=ILB

where

I is the current in the wire

L is the length of the wire

B is the strength of the magnetic field

Here in this problem, we model the strike as a current-carrying wire, so we have:

I = 49,500 A is the current

L = 1 m is the length (we want to find the force per each meter of length)

B=12 G = 12\cdot 10^{-4} T is the strength of the magnetic field

Therefore, the force on each meter of the current due to the magnetic field is:

F=(49,500)(1)(12\cdot 10^{-4})=59.4 N

3 0
3 years ago
The focal length of a concave lens 13.3 cm.Calculate its power.​
cricket20 [7]

Explanation:

Formula for finding power : 1/f

Substitution of values:

1 /13.3 = 0.07518 cm

Please mark it as Brainliest!

4 0
3 years ago
What is the name
Molodets [167]

Answer:

<h3>It's called Resistance! </h3>

Explanation:

If the ratio is constant over a wide range of voltages, the material is said to "ohmic" material.

Hope it helps!

3 0
3 years ago
(50 POINT REWARD) PHYSICS, IMAGE IS ATTACHED BELOW (TRIG/VECTORS)
daser333 [38]

Answer:

Explanation:

The east vector is 10cos45 = 7.07 km

The north vector is 10sin45 - 10 = -2.93 km

The displacement magnitude is

d = √(7.07² + 2.93²) = 7.65... = 8 km

θ = arctan(-2.93/7.07) = -22.51... = 23° south of east.

6 0
3 years ago
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