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Aleksandr-060686 [28]
3 years ago
6

11. Which has the greater acceleration: a car that increases its speed from 50 km/h to 60 km/h, or a bike that

Physics
1 answer:
Stells [14]3 years ago
7 0

Answer:

they are the same

Explanation:

change in speed is 10km/h for both, and the time is the same for both. they have the same acceleration.

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A toaster is plugged into a 132 volt household circuit it draws the amps of current If you use a toaster 2 hours a week how much
Ne4ueva [31]
There is a missing data in the text of the problem: the current drawn is 0.5 A (found on internet)

Solution:
The power used by the toaster is the product between the voltage V and the current I:
P=VI=(132 V)(0.5 A)=66 W=0.066 kW

The toaster is used for a time of 2 hours: t=2h, therefore the energy used is equal to
E=Pt =(0.066 kW)(2 h)=0.132 kWh
8 0
3 years ago
What is the energy of a photon of light with a wavelength of 3.10 × 10−7 m?
elena-s [515]
E = hf = hc/λ
= (6.6 x 10^-34) × (3 × 10^8) ÷ (3.1 × 10^-7)
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3 years ago
When does the air parcel stop losing energy?
djverab [1.8K]

Answer:

If there is no cloud (liquid water) in the parcel

Explanation:

5 0
2 years ago
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Which of the following is the FINAL step in a forecasting​ system?A.Validate and implement the results.B.Select the forecast​ mo
Blizzard [7]

Answer: A.Validate and implement the results.

The final step in a forecasting system is to validate and implement the results. This can be similar to a presentation. After going through all the steps from the planning, researching, and gathering of data, making the forecast, validating and implementing the results will be the last thing that needs to be done.

6 0
3 years ago
According to the Law of Reflection, the angle of incidence the angle of reflection. O A. is greater than B. is less than C. equa
Amanda [17]

Answer:

C. Equals

Explanation:

Law of reflection Equals the angle of incidence

8 0
3 years ago
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