12:36 PM ~ 19.9 ROCKS +1 33 ac.brightspace.com + 2 QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) Time Limit: 0:30:00 Time Left:0:09:53 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 10 of 11 Question 10 (1 point) If a falling object gains 10 m/s each second it falls, its acceleration can be expressed as Ov= gt 10 m /s 2 O 10 m/s/s. O Both A and B Next Page Page 10 of 11 Submit Quiz 9 of 11 questions O12:28 PM ~ S 25.5 K/s +1 32 ac.brightspace.com + 2 QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) Time Limit: 0:30:00 Time Left:0:18:06 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 5 of 11 Question 5 (2 points) A Cessna aircraft has a lift-off speed of 120 km/hr. What minimum constant acceleration does this require if the aircraft is to be airborne after a take-off run of 240 m? (2 pts) O 3.63 m/s2 O 25.55 m/s2 O 4.63 m/s 2.31 m/$2 Next Page Page 5 of 11 O12:27 PM ~ S ROCKS 41 32 ac.brightspace.com + 2 QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) Time Limit: 0:30:00 Time Left:0:18:56 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 4 of 11 Question 4 (2 points) A bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 s. What is its acceleration? (2 pts) 0.78 m/$2 0.64 m/$2 0.21 m/$2 0.46 m/$2 Next Page Page 4 of 11 Cuhmit Quiz O12:23 PM 9 1.3. -.~=.. I55\"- 0 aobrightspacecom + @ QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) X Time Limit: 0:30:00 Time Left10223212 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 3 0f 11 Question 3 (2 points) A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 100 km/hr in 8.00 5. What distance will the sports car travel during the 8 s acceleration period? (2 pts) Next Page Page 3 of 11 12:32 PM NOTIl K/S +1 33 ac.brightspace.com + 2 QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) Time Limit: 0:30:00 Time Left:0:13:57 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 7 of 11 Question 7 (2 points) A bullet is fired towards a nearby tree with a speed of 200 m/s. The bullet is later found at a depth of 5 cm. Find the average deceleration of the bullet inside the tree. O 4000 m/s2 O 4 x 105 m/s2 O 2000 m/s2 O 8000 m/s2 Next Page Page 7 of 11 O12:31 PM "4 33 ac.brightspace.com + 2 QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) Time Limit: 0:30:00 Time Left:0:14:33 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 6 of 11 Question 6 (2 points) An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 10.0 s. What distance does the car travel? (2 pts) 336 m 196 m O 392 m O 150 m Next Page Page 6 of 11 Cuhmit Quiz O12:34 PM 6 0 aobrightspacecom + @ QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) X Time Limit: 0:30:00 Time Left10212222 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 8 0f 11 Question 8 (2 points) A ball is pushed with an initial velocity of 4.0 m/s. The ball rolls down a hill with a constant acceleration of 1.6 m/52. The ball reaches the bottom of the hill in 8.0 3. What is the ball's velocity at the bottom of the hill? (2 pts) Next Page Page 8 0f 11 12:37 PM 2' O 0 aobrightspaceoom + @ QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) X Time Limit: 0:30:00 Time Left20208258 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 11 0f 11 Question 11 (1 point) Without air resistance, the time for a vertically tossed ball to return to where it was thrown is O 10 m/s for every second in the air 0 the same as the same going upward 0 less than the time going upward 0 more than the time going upward Next Page Page 11 0f 11 Question 1 (2 points) A block is projected with an initial velocity of 2 m/s down an inclined plane. It is found that the block travelled a distance of 5 m in 2 5. What is the acceleration on such an inclined plane? 12:35 PM 6 0 iac.brightspace.com QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL ' x Time Limit: 0:30:00 Time Left:0:11:06 ALMIRAH BELLA TAUG: Attempt 1 Question 9 (2 points) A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s. It then has a uniform acceleration of 10 cm/s2 for another 5.0 s. The particle moves in the same direction along a straight line. The average speed over the whole time interval is _________ . (2 pts) Next Page Page 9 0f 11 12:21 PM ~ S ac.brightspace.com + 2 QUIZ 1.4: ONE-DIMENSIONAL KINEMATICS 2 (UNIFORMLY ACCELERATED MOTION and FREE FALL) Time Limit: 0:30:00 Time Left:0:24:43 ALMIRAH BELLA TAUG: Attempt 1 Next Page Page 2 of 11 Question 2 (2 points) A rock falls 180 m from a cliff into the ocean. How long is it in free fall? (2 pts) O 10 s O 18 s O 180 s Obs Next Page Page 2 of 11 Submit Quiz 1 of 11 questions O