Answer:
Explanation:
Speed is a measurment that tells him much distance a body travels over a certain amount of time (usually measured in meters per second (m/c))
To solve this problem, we use this formula:
s = rθ
where
s is the arc length or in this case, the distance traveled by a point of a wheel
r is the radius of the circle or the wheel
θ is the subtended angle or the angle of rotation of the wheel
Plugging in the given values and converting degrees to radians
s = 22 *128 (π/180)
s = 49.15 cm
Answer:
21 seconds
Explanation:
First, convert km/hr to m/s.
69 km/hr × (1000 m / km) × (1 hr / 3600 s) = 19.2 m/s
Distance = rate × time
400 m = 19.2 m/s × t
t = 20.9 s
Rounded to two significant figures, it takes the horse 21 seconds.
Answer:
Sonogram
Explanation:
A sonogram is a medical diagnostic method that is commonly uses sound waves in order to generate images of any tissues, organs, or some other internal structures inside the human body. This sonogram does not use any kind of harmful radiations like the X-rays. These are sound waves of high frequencies.
This is widely used by doctors for health checkups. The other name for sonogram is ultrasound.
Answer:
2.00m
Explanation:
All we need to do to find the wavelength of the first intereference maximum is subtract both values we are given.
8.00 - 6.00 = 2.00m
Best of Luck!
