A clay pigeon is fired straight up and reaches its highest point three seconds later. What was its initial speed?

(A) 3m/s. (B) 10m/s. (C) 30m/s. (D) 300m/s.



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A clay pigeon is fired straight up and reaches its highest point three seconds later. What was its initial speed?

(A) 3m/s. --- No.

It loses 10m/s every second.

Try again.
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A clay pigeon is fired straight up and reaches its highest point three seconds later. What was its initial speed?

(B) 10m/s. --- No.

It would then take only one second.

Try again.
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A clay pigeon is fired straight up and reaches its highest point three seconds later. What was its initial speed?

(C) 30m/s. --- Yes.

It loses 10m/s every second.

Check the other answers.
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A clay pigeon is fired straight up and reaches its highest point three seconds later. What was its initial speed?

(D) 300m/s. --- No.

It would then take 30 seconds

Try again.
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