Grade 11Wave Optics
A train covers 60 miles between 2 p.m. and 4 p.m. How fast was it going at 3 p.m.?
A train covers 60 miles between 2 p.m. and 4 p.m. How fast was it going at 3 p.m.?
2 Answers
Vikas TU
Dear student
speed = distance/ time
here speed= 60/2= 30 miles per hr
30 miles per hr
It is the ans
Hope tis helps
Good Luck
here speed= 60/2= 30 miles per hr
30 miles per hr
It is the ans
Hope tis helps
Good Luck
Arun
Dear student
The speed is traveled distance (60 miles) divided by traveled time (4pm – 2pm = 2hours):
60/2 = 30 miles per hour
Hope it helps
Regards
Arun
Other Related Questions on wave optics
An oscillator consists of a block of mass 512 g connected to a spring. When set into oscillation with amplitude 34.7 cm, it is observed to repeat its motion every 0.484 s. Find (a) the period, (b) the frequency, (c) the angular frequency, (d) the force constant, (e) the maximum speed, and ( f ) the maximum force exerted on the block.
An oscillator consists of a block of mass 512 g connected to a spring. When set into oscillation with amplitude 34.7 cm, it is observed to repeat its motion every 0.484 s. Find (a) the period, (b) the frequency, (c) the angular frequency, (d) the force constant, (e) the maximum speed, and ( f ) the maximum force exerted on the block.
wave optics
Last Activity: 4 Years ago
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
wave optics
Last Activity: 4 Years ago
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
wave optics
Last Activity: 4 Years ago
If V-numer of a multi mode fiber is 3. Calculate the no.of modes if it is step index and graded index fiber multimode fiber (rounded off)?
If V-numer of a multi mode fiber is 3. Calculate the no.of modes if it is step index and graded index fiber multimode fiber (rounded off)?
wave optics
Last Activity: 4 Years ago