11. A projectile is thrown from a horizontal surface, and reaches a maximum height h and also lands a distan h from the launch point. Neglecting air resistance, what is the maximum height for a projectile throw directly upward with the same initial speed? (D) 5 (A) 17h 16 (B) 13h 12 (E) 2h
11. A projectile is thrown from a horizontal surface, and reaches a maximum height h and also lands a distan h from the launch point. Neglecting air resistance, what is the maximum height for a projectile throw directly upward with the same initial speed? (D) 5 (A) 17h 16 (B) 13h 12 (E) 2h
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Transcribed Image Text:11. A projectile is thrown from a horizontal surface, and reaches a maximum height hand also lands a distance
h from the launch point. Neglecting air resistance, what is the maximum height for a projectile thrown
directly upward with the same initial speed?
(D) 5h
(A)
17h
16
(B)
13h
12
9h
12. A block of mass m is initially held in place by two massless strings, as shown.
m
(E) 2h
The tension in the diagonal string is T₁. Next, the horizontal string is cut, and immediately afterward
the tension in the diagonal string is T₂. Which of the following is true?
(A) T₁ < mg <T₂ (B) T₂ <mg <T₁ (C) T₁ <T₂ <mg (D) mg <T₂ <T₁ (E) T₁ = T₂ < mg
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