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QUESTION 3 The diagram shows two vectors. Vector A: 12 km to the east Vector B: 9 km to the south _ Calculate the magnitude of the resultant vector when Vector A is added to Vector B. (A) 15km (B) 16.5 km (C) 21 km (D) 108 km
QUESTION 8 An object 46 m above the ground is projected horizontally with an initial velocity of 25 m s7L Calculate the horizontal displacement of the object at the time it reaches the ground. (A) 77m (B) 120m (©) 190m (D) 240m
QUESTION 11 The diagram shows object A and object B being projected at different velocities. Which of the following statements is true? (A) Object A has a shorter flight time than object B. (B) Object A has a smaller maximum height than object B. (C) Object A has a larger horizontal velocity than object B. (D) Object A has a smaller horizontal displacement than object B.
QUESTION 18 Calculate the initial vertical velocity of a projectile with an initial velocity of 68 m s 'atan angle of 51° up from the horizontal. (A) 43ms! (B) 51ms! (C) 53ms! (D) 68ms !
QUESTION 8 (4 marks) The diagram shows an object sliding down a frictionless inclined plane. sy [~ Not drawn to scale The graph shows the velocity of the object measured at various times. 35 30 T 25 g > 20 2 § 15 10 5 5 0 0 1 2 3 4 Time (s) Determine the angle of incline 6. of the inclined plane. Show your working. N
QUESTION 2 Calculate the initial horizontal velocity of a projectile with an initial velocity of 38 m s!atan angle of 42° up from the horizontal. (A) 25ms (B) 28m g1 (C) 34ms! (D) 40ms!
QUESTION 8 The diagram shows two displacement vectors. Vector A Vector B s=20m Calculate the resultant vector above the horizontal axis when Vector A is added to Vector B. (A) 43.6m at 36.6° (B) 43.6m at 53.4° (C) 48.4mat 18.1° (D) 48.4 m at 71.9°
QUESTION 12 Calculate the maximum height reached by a projectile with an initial velocity of 15 m s'atan angle of 30° up from the horizontal. (A) 2.87m (B) 3.83m (C) 8.6l m (D) 11.5m
QUESTION 23 (5 marks) The diagram shows a metal rod with a mass of 10.0 g and a length of 8.0 cm suspended in a uniform magnetic field of 0.50 T. There is no electric current through the metal rod when it is in Position 1. DC to power supply DC from power supply .'/ K\ Position 1 A;n Not to scale When a current (/) is passed through the metal rod it moves to Position 2 with an angle of 40° to the vertical. DC to power supply DC from power supply Position 2 Not to scale Determine the magnitude of the current required to move the metal rod into Position 2. Current = A (to 1 decimal place)
QUESTION 24 (3 marks) The diagram shows a 1.5 kg object on an inclined plane with an angle of 30° up from the horizontal. The object experiences a frictional force of 4.5 N. e Not to scale Calculate the magnitude of the net force acting on the object. Magnitude of net force = N (to 1 decimal place)
QUESTION 4 (4 marks) A spacecraft is located between two large asteroids Asteroid A and Asteroid B that are 120 km apart. Asteroid As mass is approximately four times the mass of Asteroid B. Determine the distance of the spacecraft from Asteroid B if it experiences no net gravitational force from the two asteroids. Distance from Asteroid B = km (to the nearest whole number)
QUESTION 9 Which diagram would result in the furthest horizontal distance travelled? (A) (B) ©) (D) Not to scale
QUESTION 16 Two vectors are shown. Which option represents the resultant vector of X + ¥? (A) (B) (© (D) Not to scale
QUESTION 27 (5 marks) Object A is five times the mass of object B. The graph shows the contribution of each object towards the strength of the net gravitational field between them. e p 0.01 0.001 Gravitational field strength (m s_z) 0.0001 0.00001 0 10 20 30 40 Distance from the centre of A (107 m) Determine the total distance between the centre of the two objects. Show your working. Total distance = m (to two significant figures)
QUESTION 4 (5 marks) A stationary object on a frictionless inclined plane is connected to a 15 kg weight as shown. Not to scale Calculate the mass of the object on the inclined plane. Mass = kg (to two significant figures)
QUESTION 3 (8 marks) The diagram below shows two forces acting upon an object. This diagram is not to scale. Calculate the resultant force acting upon the object and the direction of acceleration. Show your working. Force = N (to the nearest whole number) Direction = (to 1 decimal place)
QUESTION 18 A 20 kg object is placed on an inclined plane with a slope of 35°. If the object experiences a frictional force of 40 N and no additional applied force calculate its acceleration down the inclined plane. (A) 3.6ms~ (B) 5.6ms~ (C) 6.0ms~ (D) 7.6ms~
QUESTION 6 (10 marks) A ball is thrown with an initial velocity of 8.0 m s! into a bucket as shown. 3.0m 1.8m Not to scale a) Calculate the time taken for the ball to reach its maximum height. Show your working. [4 marks] Ss (to two significant figures) b) Calculate the magnitude of the ball’s final velocity when it enters the bucket. Show your working. [6 marks] Final velocity = ms! (to two significant figures)
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