V = 99 volts
Explanation:
The voltage drop can be calculated using Ohm's law:
V = IR
= (1.10 A)(90 Ω)
= 99 volts
A wave with a greater amplitude carries more energy to wherever it goes.
Answer:
Part a)
Part b)
Part c)
Explanation:
Part a)
As per energy conservation we can say
Energy stored in spring 1 = energy stored in spring 2
now we have
now from above equation
Part b)
To find the speed of the block we can say that its kinetic energy is gained due to spring energy
so we have
now we have
Part c)
When friction is present between two springs then we have energy loss due to friction force
so we have
now we have
If the solstice is in northern hemisphere. then it is antarctica, and if it... wait if u look it up on google i promise u should beable to find because i had a question like that before and my teacher said to look it up
Answer : The average speed of cyclist B is 25.714 km/hr
Explanation :
First we have to convert average speed from km/hr to m/s.
Conversion used :
As we are given the average speed of cyclist A 20 km/hr. The average speed in m/s is:
As,
So,
Now we have to calculate the time taken by cyclist A to travel the distance.
conversion used : (1 min = 60 sec)
As per question, cyclist B travels same distance in same time but he took rest for 20 min. That means,
Time taken by cyclist B = 90 min - 20 min = 70 min
Now we have to calculate the average speed of cyclist B.
conversion used : (1 hr = 60 min)
Therefore, the average speed of cyclist B is 25.714 km/hr