K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE


g is taken as 9.81
Step-by-step explanation:
Use the sine and cosine trig functions
21) cos(52)=13/x
x=13/cos(52)
x=21.1
22) sin(75)=6/x
x=6/sin(75)
x=6.2
7/30 x 100 = approx 23.3%
Answer:
Hes Gpa Is that man is good. helps :0
Step-by-step explanation: