Suppose a soccer player kicks the ball from a distance 45.0 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.40 m above the ground, given the initial direction to be 39o above the horizontal.

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle