1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
yuradex [85]
2 years ago
6

Please help me with this

Physics
1 answer:
aev [14]2 years ago
6 0

Answer:

the answer is UV Radiation

You might be interested in
The apparent backward motion of a planet along the celestial sphere is called ____________ motion.
motikmotik

Answer:

Retrograde

Explanation:

4 0
3 years ago
A motor does 8000j of work in 20 seconds. What is the power of the motor
lozanna [386]
Power = work / time = 8000J / 20s = 400W

5 0
3 years ago
A battery with an internal resistance ofrand an emf of 10.00 V is connected to a loadresistorR=r. As the battery ages, the inter
yanalaym [24]

Answer:

The current is reduced to half of its original value.

Explanation:

  • Assuming we can apply Ohm's Law to the circuit, as the internal resistance and the load resistor are in series, we can find the current I₁ as follows:

        I_{1} = \frac{V}{R_{int} +r_{L} }

  • where Rint = r and RL = r
  • Replacing these values in I₁, we have:

       I_{1} = \frac{V}{R_{int} +r_{L} } = \frac{V}{2*r} (1)

  • When the battery ages, if the internal resistance triples, the new current can be found using Ohm's Law again:

       I_{2} = \frac{V}{R_{int} +r_{L} } = \frac{V}{(3*r) +r} = \frac{V}{4*r}  (2)

  • We can find the relationship between I₂, and I₁, dividing both sides, as follows:

        \frac{I_{2} }{I_{1} } = \frac{V}{4*r} *\frac{2*r}{V} = \frac{1}{2}

  • The current when the internal resistance triples, is half of the original value, when the internal resistance was r, equal to the resistance of the load.  
7 0
3 years ago
All waves change speed when they enter a new medium, but they don't always bend. When does bending occur?
Anastaziya [24]
Bending occurs when one side of the wave enters the new medium before the other side of the wave. ... The bending occurs because the two sides of the wave are traveling at different speeds.
5 0
3 years ago
Speed is determined based on two factors. What are they
a_sh-v [17]

Answer:

distance and time

Explanation: the farther you go and how much time it will take you

7 0
2 years ago
Other questions:
  • Can a black light be used to charge a solar powered product
    14·1 answer
  • A parachutist bails out and freely falls 50 m. Then the parachute opens, and thereafter she deceler- ates at 2.0 m/s2. She reach
    11·1 answer
  • Indicate whether the statement is true or false. The amount of matter in an object is its weight.
    13·2 answers
  • In a client with lower crossed syndrome, which of the following muscles is lengthened?
    6·1 answer
  • What is the velocity of the object at 20.0s
    10·1 answer
  • A 1000-kg car has 50,000 joules of kinetic energy. What is the speed?
    10·2 answers
  • To build muscle you must do what ?
    11·2 answers
  • It takes a 7N force to cause a 0.028 kg object to begin moving. What is the acceleration of the object as it begins to move?
    7·2 answers
  • Can somone pls help me??!! i’m very stuck
    6·1 answer
  • a hydraulic lift requires a minimum effort force force of 14.4N to lift a patient of mass 82kg .How much is the effort piston ar
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!