QI 1:-Two vectors are given by А and B. -31+1+ E . Find the angle between A 31-4) and (A)19.3' (B)31.5 (C)82.3 (D)72.5 (E)64.8 Q12:- A worker is to paint the walls Cie dig) of a square room 8.00 ft high and 10.0 ft along each side. What surface area in square meters must she cover?1m3.28ft (A)33.8m2 (B)35.7m (C)29.7m (D)36.8m2 (E)32.7m2 Q13.- A ball is thrown vertcanily upward trom the ground with an initial speed of 12 m/s (A) 1ms-...
013- A ball is thrown vertically upward from the ground with an initial speed of 13 m/s. Determine the velocity of the ball at t- 1s (A) 1ms (B2ms (C)3ms-1 (D) 4ms (E) 5ms-1 014:-At what angle to the stadium () ground a football is kicked (S). If it reached a maximum height of (10 m), and a maximum horizontal distance of (80 m )? (A) 45 (B) 26.6 (C) 53.1 (D) 33.7 (E)38.6 015:- A 9.00-kg hanging weight is...
011:-Two vectors are given by A-1- and B-3t +j..Find the angle bet ween A and в, (A)19.3 (B)31.5 (C)82.3 (D)72.5 (E)64.8
proton, moving with a velocity of St, col ides elastically with another proton that is initiall y est. If th e two protons have equal speeds a fter the collision. Q7:- Fird the speed of each proton a ter the collision (A)0.71ms-1 (B) 1.4ms-1 (C) 2.11ns" (D) 2.8ms-1 (E) 3.5ms-1 Q8:- The direction of the velocity vectors after the collision. (A)S5-35) (B)(30.-60) (C(45-45) (D)(G0,-30) (E)(50;-40) . of mass-,5kg,m2.2 kg, and m3-3 kg are located in xy plane as 7 Q9:-...