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Kruka [31]
3 years ago
8

Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball

Physics
1 answer:
Lilit [14]3 years ago
5 0
Simply because the baseball is much lighter than the bowling ball. Making it easier for the average adult to throw the baseball farther than the bowling ball
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An electric clothes dryer draws 15 a of current from a 240-v wall outlet. how much power, in watts, does it use?
Nataly [62]
The power consumed by the electric clothes dryer may be calculated by the following equation,

    P = I x V

where P is the power, I is the current in amperes, and V is the voltage in volts. Substituting the known values from the given above,

  P = (15 A)(240 V)
  P = 3600 watts

Therefore, the power consumed by the electric clothes dryer is equal to 3600 watts.
7 0
4 years ago
A string of 26 identical Christmas tree lights are connected in series to a 120 V source. The string dissipates 73 W. What is th
spin [16.1K]

To solve this problem we will apply the concepts related to Ohm's law and Electric Power. By Ohm's law we know that resistance is equivalent to,

R_{eq}= \frac{V}{I}

Here,

V = Voltage

I = Current

While the power is equivalent to the product between the current and the voltage, thus solving for the current we have,

P=VI \rightarrow I = \frac{P}{V}

I =0.608 A

Applying Ohm's law

R_{eq} = \frac{120V}{0.608A}

R_{eq} = 197.4\Omega

Therefore the equivalent resistance of the light string is 197.4\Omega

6 0
3 years ago
14) What is the velocity of a wave 5.35 x 10 cm long with a frequency of 16kHz
JulijaS [17]

Answer:

wavelength= 5.35×10cm=0.535m

f= 16000hz

v= wavelength × f= 0.535×16000=8560m/sec

6 0
3 years ago
Which object has the largest inertia?a)A truck at rest)A car moving at 60 mph)A ball rolling at 5 mph
11111nata11111 [884]

Answer:

I think A because inertia is the amount of potential energy right? hope this helps :)

Explanation:

8 0
3 years ago
A 0.24 kg mass with a speed of 0.60 m/s has a head-on collision with a 0.26 kg mass that is traveling in the opposite direction
8_murik_8 [283]

The  final speed of the combined masses is 0.186m/s

According to the law of collision, the sum of the momentum of the bodies before the collision is equal to the momentum after the collision.

Mathematically;

m1u1 - m2u2 = (m1+m1)v

  • v is the final speed of the combined masses.

Substituting the given parameters;

0.24(0.6) - 0.26(0.2) = (0.24+0.26)v

0.144 - 0.052 = 0.5v

0.092 = 0.5v

v = 0.092/0.5

v = 0.184m/s

Hence the final speed of the combined masses is 0.186m/s

Learn more on collision here:  brainly.com/question/7538238

4 0
2 years ago
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