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SOLVE THIS!

1. A soccer ball is kicked horizontally of a 22-meter-high hill and lands 35 meters from the edge of the hill. Determine the total time travelled and initial horizontal velocity of the soccer ball.

2. A wooden box is thrown from the top of a 10-meter-high building with an initial horizontal velocity of 5 m/s. Determine the total time travelled and the range from the edge of the building to the landing location of the wooden box.

I badly need your help guys.. Here are some examples in the picture to be guided. I hope your solution are same as the solution in the picture.
Nonsense answer = Automatically Report​

SOLVE THIS1 A Soccer Ball Is Kicked Horizontally Of A 22meterhigh Hill And Lands 35 Meters From The Edge Of The Hill Determine The Total Time Travelled And Init class=

Sagot :

Answer:

1. A soccer ball is kicked horizontally of a 22-meter-high hill and lands 35 meters from the edge of the hill. Determine the total time travelled and initial horizontal velocity of the soccer ball.

Solution given:

height of hill[H]=22m

distance [d]=35m

now

total time travelled=[tex]\sqrt{\frac{2H}{g}}[/tex]

where g=9.8m/s²=gravity

=[tex]\sqrt{\frac{2*22}{9.8}}=2.1[/tex]second

2.1second

now

initial horizontal velocity=d/t=35/2.1=16.6m/s.

2. A wooden box is thrown from the top of a 10-meter-high building with an initial horizontal velocity of 5 m/s. Determine the total time travelled and the range from the edge of the building to the landing location of the wooden box.

Solution given:

initial velocity[u]=5m/s

height[H]=10m

total time travelled [T]=?

range[R]=?

total time travelled=[tex]\sqrt{\frac{2H}{g}}[/tex]

where g=9.8m/s²=gravity

=[tex]\sqrt{\frac{2*5}{9.8}}=1.02[/tex]second

1.02second

now

Range=u[tex]\sqrt{\frac{2H}{g}}[/tex]

=5*1.02=5.1m