PDE FINAL EXAM SPH4U.pdf X + X C File | C:/Users/ghrer/Downloads/FINAL%20EXAM%20SPH4U.pdf to G to | | V Draw 2 | | Read aloud + 4 of 10| | ED PART B: Dynamics [14 marks, 30 minutes] Page3 1. A ball is thrown vertically upward from a window that is 3.6 m above the ground. Its initial speed is O 2.8 m/s. With what speed does the ball hit the ground? [3 marks] + 2. A circus clown is fired from a cannon into a net that is situated 2.0 m above the cannon and an unknown horizontal distance from it. The cannon is elevated at 50 to the horizontal and the clown's speed at launch is 15 m/s. Find the horizontal distance from the cannon where the net needs to placed in order for the clown to land in it. [5 marks] v= 15 m/'s 2.0 m 50 23. C Search amazon W ENG 8:49 PM Sunny US 2023-06-01PDE FINAL EXAM SPH4U.pdf X + X C File | C:/Users/ghrer/Downloads/FINAL%20EXAM%20SPH4U.pdf G to | | V Draw ~ 2 | |Read aloud + 5 of 10| 2 | ED Page4 4. A 23-kg block is pushed with a 50 N force up a slope that is at a 30 angle to the ground. O The coefficient of friction for the slope is 0.25. Calculate the value of the force of friction. [2 marks] + 5. Two masses, 4.0 kg and 6.0 kg, are connected by a "mass less" rope over a "frictionless" pulley as pictured in the diagram. The ramp is inclined at 30.09 and the coefficient of kinetic friction on the ramp is 0.18. [4 marks] 4.0 kg HK = 0.18 6.0 kg 30 (a) Determine the acceleration of the 6 kg mass once it begins to move. 23. C Search amazon O W ENG 8:49 PM Sunny US 2023-06-01PDE FINAL EXAM SPH4U.pdf X + X C File | C:/Users/ghrer/Downloads/FINAL%20EXAM%20SPH4U.pdf G to | | V Draw ~ 2 | | Read aloud + 6 of 10| | ED (a) Determine the acceleration of the 6 kg mass once it begins to move. O + (b) Determine the tension in the rope. PART C: Energy and Momentum [14 marks, 30 minutes] Pages 1. A 0.25-kg snowball moving at 15 m/s [E] collides and sticks with a 1.9-kg toy truck travelling at 2.8 m/s [W]. Calculate the velocity of the snowball-truck system after the collision. [3 marks] 2. A robin of mass 150 g uses 10 J of energy and speeds up to 15 m/s in level flight. Calculate the initial speed of the robin. [3 marks] 23. C Sunny Search amazon W ENG 8:49 PM US 2023-06-01PDE FINAL EXAM SPH4U.pdf X + X C File | C:/Users/ghrer/Downloads/FINAL%20EXAM%20SPH4U.pdf G to | | V Draw 2 | | Read aloud + 7 of 10| 2 | ED O 3. An 87-g box is attached to a spring with a force constant of 82 N/m. The spring is compressed 11 cm and the system is released. What is the speed of the box when the spring is released? [3 marks] + Page6 4. A 63-kg student stands on a 34-kg cart that is moving with a velocity of 3.2 m/s [W]. The student then jumps off so that her velocity is 1.8 m/s [250 W of N]. Calculate the new velocity of the cart. [5 marks] 23. C Search amazon W ENG 8:49 PM Sunny US 2023-06-01PDE FINAL EXAM SPH4U.pdf X + X C File | C:/Users/ghrer/Downloads/FINAL%20EXAM%20SPH4U.pdf G to | | V Draw 2 | | Read aloud + 9 of 10|2 | ED PART D: Gravitational, Electrical, and Magnetic Fields [14 marks, 30 minutes] Page7 1. Calculate the speed of a satellite in orbit 9.5 x 10 km above Jupiter. (r = 7.18 x 10'm, m = 1.9 x 10" kg). [2 marks] O + 2. Charged spheres X (2.4 x 10-C)and Y (4.5 x 10-C)are in a set position. Calculate the net force on sphere Z, of charge -3.8 x 10-"C. [3 marks] Y (+) O 6.00 em 10.0 em 3. Calculate the electric field 0.8 m from a small sphere with a negative charge of 4.7 x 10-2C. [Note: Direction is inwards or outwards] [2 marks] So3 23. C 8:49 PM Sunny Search amazon W ENG US 2023-06-01