Homework Answers
8. The velocity of the ant at t = 10 s is: a. 50 cm/s b....
8. The velocity of the ant at t = 10 s is: a. 50 cm/s b. 0.4 cm/s c. 5.0 cm/s d. 6.0 cm/s The velocity v: (in m/s) of an object is given by the equation V; = 4t +3, where t is the time in seconds. Answer questions 9 and 10 based on this equation. 9. The displacement of the object between t 1 s and t = 2 sis: a. 5 m c. 9 m b. 7...
Q1 a) Use the following data to find the velocity and acceleration at t=10 seconds: Time,...
Q1 a) Use the following data to find the velocity and acceleration at t=10 seconds: Time, t, s 0 2 4 6 8 10 12 14 16 Position, x, m 0 1.7 2.8 4.3 5.5 6.4 7.5 8.1 8.4 Show proper working with each and every step b) The velocity “v” of a particle at distance “s” from a point on its linear path is given in the following data s(m) 0 2.5 5.0 7.5 10.0 12.5 15.0 17.5...
The motion diagram shows motion an ant moving to the right along a straight line as...
The motion diagram shows motion an ant moving to the right along a straight line as it is recorded every 1.0 s, starting at point at x 0.0 cm. Assuming the ant starts from rest, which graph shows ant's velocity as a function of time? t 0.0 s 8. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 10 O05010.0 15.0 00 50 L00 5.0 00 50 00 15.0 00 5.0 100...
You roll a six sided die 100 times and get the following result. 1s = 14, 2s = 10, 3s = 18, 4s = 18, 5s = 20, 6s = 20 Plot the probability of each die side occurring (probability vs. die side) and 95%...
You roll a six sided die 100 times and get the following result. 1s = 14, 2s = 10, 3s = 18, 4s = 18, 5s = 20, 6s = 20 Plot the probability of each die side occurring (probability vs. die side) and 95% confidence intervals around these points. Please show all work and comment on what is happening. Define any equations we are beginners. Stuck on the confidence intervals part.
ic) At what time t, 0 sts 15,is the sauil's instantancous velocity equal to its average velocity over the isterval Osrs 15? (d) An ant arrives at the sniail's starting position at time r 1...
ic) At what time t, 0 sts 15,is the sauil's instantancous velocity equal to its average velocity over the isterval Osrs 15? (d) An ant arrives at the sniail's starting position at time r 12 minuses and tollows the snail's path. Daring the interval 12 , % 15 minutes, the am travels in the same direction as the snal with a constant acceleration of 2 inches per minute per minute, The art catches up to the snail at time -15...
3. You throw a ball into the air, and catch it 5s later at the same...
3. You throw a ball into the air, and catch it 5s later at the same height at which it was thrown. (4 marks) a) What was the initial velocity of the ball? b) How high did the ball go? 4. The following graph represents the position of an object, moving along a horizontal line as a function of time. The positive direction is East and negative direction is West. Express all answers to two significant figures. (5 marks) Position...
A particle moves along the x axis. Its position varies with time acording to the expression x =-4t + 2t2
Average and Instantaneous Velocity A particle moves along the x axis. Its position varies with time acording to the expression x =-4t + 2t2, where x is in meters and t is in seconds. The position-time graph for this motion is shown in the figure. Notice that the particle moves in the negative x direction for the first second of motion, is momentarily at rest at the moment t = 1 s, and moves in the positive x direction at times...
ation fects 2.31 The graph in Fig. E2.31 shows the velocity of a motor- cycle police...
ation fects 2.31 The graph in Fig. E2.31 shows the velocity of a motor- cycle police officer plotted as a function of time. (a) Find the instantaneous acceleration at t=3 s, t=7 s, and t= 11 s. not car(b) How far does the officer go in the first 5 s? The first 9 s? The s of first 13 s? ur- to Figure E2.31 LH ave ct. To pe er at Ux (m/s) 50 45 40 35 30 25 20...
12. A drag racing car starts from rest at 0 and moves along a straight line...
12. A drag racing car starts from rest at 0 and moves along a straight line with velocity given by v br, where b is a constant. The expression for the distance traveled by this car from its position at t0 is: 13. This graph shows the velocity of a particle as a function of time. During what interval is its displacement negative? v(ms) A)0-2s B) 2s-5s C)5s-9s D) 0-9s E) Its displacement is not negative 12F- t(s) between 0...
A 2.55-kg object constrained to move along the x-axis is subjected to a time-varying force as...
A 2.55-kg object constrained to move along the x-axis is
subjected to a time-varying force as shown on the graph below. Find
the change in the object\'s velocity over the specified time
intervals.
A 2.55-kg object constrained to move along the x-axis is subjected to a time-varying force as shown on the graph Find the change in the a) Between 0 s and t4.23 s s velocity over the specified time intervals. Force vs. Time Number 15 A- 199 12...
8. The velocity of the ant at t = 10 s is: a. 50 cm/s b. 0.4 cm/s c. 5.0 cm/s d. 6.0 cm/s The velocity v: (in m/s) of an object is given by the equation V; = 4t +3, where t is the time in seconds. Answer questions 9 and 10 based on this equation. 9. The displacement of the object between t 1 s and t = 2 sis: a. 5 m c. 9 m b. 7...
The motion diagram shows motion an ant moving to the right along a straight line as it is recorded every 1.0 s, starting at point at x 0.0 cm. Assuming the ant starts from rest, which graph shows ant's velocity as a function of time? t 0.0 s 8. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 10 O05010.0 15.0 00 50 L00 5.0 00 50 00 15.0 00 5.0 100...
ic) At what time t, 0 sts 15,is the sauil's instantancous velocity equal to its average velocity over the isterval Osrs 15? (d) An ant arrives at the sniail's starting position at time r 12 minuses and tollows the snail's path. Daring the interval 12 , % 15 minutes, the am travels in the same direction as the snal with a constant acceleration of 2 inches per minute per minute, The art catches up to the snail at time -15...
3. You throw a ball into the air, and catch it 5s later at the same height at which it was thrown. (4 marks) a) What was the initial velocity of the ball? b) How high did the ball go? 4. The following graph represents the position of an object, moving along a horizontal line as a function of time. The positive direction is East and negative direction is West. Express all answers to two significant figures. (5 marks) Position...
ation fects 2.31 The graph in Fig. E2.31 shows the velocity of a motor- cycle police officer plotted as a function of time. (a) Find the instantaneous acceleration at t=3 s, t=7 s, and t= 11 s. not car(b) How far does the officer go in the first 5 s? The first 9 s? The s of first 13 s? ur- to Figure E2.31 LH ave ct. To pe er at Ux (m/s) 50 45 40 35 30 25 20...
12. A drag racing car starts from rest at 0 and moves along a straight line with velocity given by v br, where b is a constant. The expression for the distance traveled by this car from its position at t0 is: 13. This graph shows the velocity of a particle as a function of time. During what interval is its displacement negative? v(ms) A)0-2s B) 2s-5s C)5s-9s D) 0-9s E) Its displacement is not negative 12F- t(s) between 0...
A 2.55-kg object constrained to move along the x-axis is
subjected to a time-varying force as shown on the graph below. Find
the change in the object\'s velocity over the specified time
intervals.
A 2.55-kg object constrained to move along the x-axis is subjected to a time-varying force as shown on the graph Find the change in the a) Between 0 s and t4.23 s s velocity over the specified time intervals. Force vs. Time Number 15 A- 199 12...
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