Answer:
F. jumping
Explanation:
you can't throw/toss yourself, you cant roll over water, catching?, you cant run over water, jumps are bigger than hops
Answer:
L = 0.24 m = 24 cm
Explanation:
Given:
- Wavelength of the wave λ = 12 cm
- total number of nodes : mode @ each end = 2 , 3 nodes in between = 5 nodes
Find:
How wide is the oven?
Solution:
- The wavelength of the microwave corresponds to a frequency of:
f = c / λ
f = 3.0*10^8 / 0.12
f = 25 * 10^8 Hz
- We have a total of 5 nodes, hence we get m = 4 anti-nodes in our standing wave.
- The frequency of a standing wave @ m of length L fixed at both ends is given by:
f_m = m*c / 2*L m = 1 , 2, 3 , 4, ....
L = m*c / 2*f_m
- Plug in values:
L = 4*3 / 2*25
L = 0.24 m = 24 cm
Answer:
θ = 26.6°
Explanation:
Formula for maximum height is;
h = u²sin²θ/2g
We are told maximum height is 25 m, thus;
u²sin²θ/2g = 25 - - - - (eq 1)
Formula for horizontal range is;
R = u²sin2θ/g
In Mathematics, sin2θ = 2sinθcosθ
So; R = 2u²sinθcosθ/g
R = 2u²sinθcosθ/g
We are given Horizontal range = 200 m.
Thus;
2u²sinθcosθ/g = 200 - - - - (eq 2)
Divide eq 1 by eq 2 to get;
200/25 = 4cosθ/sinθ
8 = 4cosθ/sinθ
4/8 = sinθ/cosθ
0.5 = tan θ
θ = tan^(-1) 0.5
θ = 26.6°
Calories would denote the amount of heat.
Givens are:
Mass = 500 g
t0 = 20C
tf = 30C
C = 1 cal/gC
Formula:
Q=MCt
500g (1cal/gC) 10C= 5000 cal
Thank you for your question. Please don't hesitate to ask in Brainly your queries.