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Contact [7]
3 years ago
8

A baseball diamond is a square (don’t be fooled that it is usually shown rotated by 45°). Each side of the square is 90 feet lon

g (to two significant figures). How far must a fielder throw the ball from second base to home plate?
Physics
1 answer:
gayaneshka [121]3 years ago
8 0

A line from second to home creates a right triangle with 45 degree angles.

This makes the diagonal line the side length of the square multiplied by the sqrt(2)

Second to home = 90sqrt(2) = 127.279 feet ( round answer as needed)

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A physics professor uses an air-track cart of mass m to compress a spring of constant k by an amount x from its equilibrium leng
zhenek [66]

Answer:

        v = √k/m    x

Explanation:

We can solve this exercise using the energy conservation relationships

starting point. Fully compressed spring

        Em₀ = K_{e} = ½ k x²

final point. Cart after leaving the spring

        Em_{f} = K = ½ m v²

        Em₀ = Em_{f}

        ½ k x² = ½ m v²

        v = √k/m    x

6 0
4 years ago
A resistor and a capacitor are connected in series across an ideal battery having a constant voltage across its terminals. (a) A
maks197457 [2]

Answer:

(a) D.  Zero.

(b) C.  Equal to the battery's terminal voltage.

Explanation:

The question is incomplete, see the complete question for your reference and information.

A resistor and a capacitor are connected in series across an ideal battery having a constant voltage

across its terminals. At the moment contact is made with the battery

(a) the voltage across the capacitor is

A) equal to the battery's terminal voltage.

B) less than the battery's terminal voltage, but greater than zero.

C) equal to the battery's terminal voltage.

D) zero.

(b) the voltage across the resistor is

A) equal to the battery's terminal voltage.

B) less than the battery's terminal voltage, but greater than zero.

C) equal to the battery's terminal voltage.

D) zero

A RC circuit is a circuit that is composed of both resistors and capacitors connect to a source of current or voltage.

basically when a voltage source is applied to an RC circuit, the capacitor, C charges up through the resistance, R

6 0
4 years ago
What kínd of cloud that is puffy and often with flat bases.
Slav-nsk [51]
Cumulus, theres three types of clouds first one is cirrus is look like a feather this kind of cloud are the most highest one between this three clouds, cumulus is a like a cotton and flat bases is located in the  central of cirrus and stratus, stratus when we have this kind of clouds certainly going to rain, and these clouds are the most lower
7 0
4 years ago
How does the orbital speed of an asteroid in a circular solar orbit with a radius of 4.0 AU compare to a circular solar orbit wi
Murrr4er [49]

Answer:

The circular solar orbital speed at 4.0AU is 1/4( one fourth) that at 1.0AU

Explanation:

am = mvr= angular momentum

am4= 4mvt

am1= mvp1

Vt=1/4vp

Vp=4vt

am1= 4mvt

am1=am4

The circular solar orbital speed at 4.0AU is 1/4 (one fourth) that at 1.0AU

6 0
4 years ago
. If Jason II needs 15 kW of power at 300 volts to operate, what amperage of current must flow through the cable?
Norma-Jean [14]
P=IV
P=15KW=15000W
V=300
I=P/V
I=15000/300
I=50 Ampere
5 0
4 years ago
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