Questions from Modern Physics

Q: The table shows test data for the Bugatti Veyron Super Sport,

The table shows test data for the Bugatti Veyron Super Sport, the fastest street car made. The car is moving in a straight line (the x-axis). (a) Sketch a vx-t graph of this car’s...

Q: A race car starts from rest and travels east along a straight

A race car starts from rest and travels east along a straight and level track. For the first 5.0 s of the car’s motion, the eastward component of the car’s velocity is given by vx(t)=(0.860 m>s3)t2. W...

Q: Under what conditions does the magnitude of the average velocity equal the

Under what conditions does the magnitude of the average velocity equal the average speed?

Q: A turtle crawls along a straight line, which we will call

A turtle crawls along a straight line, which we will call the x-axis with the positive direction to the right. The equation for the turtle’s position as a function of time is x (t) = 50.0 cm +(2.00 cm...

Q: An astronaut has left the International Space Station to test a new

An astronaut has left the International Space Station to test a new space scooter. Her partner measures the following velocity changes, each taking place in a 10-s interval. What are the magnitude, th...

Q: A car’s velocity as a function of time is given by vx

A car’s velocity as a function of time is given by vx(t)= a + bt2, where a = 3.00 m/s and b = 0.100 m/s3. (a) Calculate the average acceleration for the time interval t = 0 to t = 5.00 s. (b) Calculat...

Q: The position of the front bumper of a test car under microprocessor

The position of the front bumper of a test car under microprocessor control is given by x (t)= 2.17 m + (4.80 m/s2)t2 –(0.100 m/s6)t6. (a) Find its position and acceleration at the instants when the c...

Q: An antelope moving with constant acceleration covers the distance between two points

An antelope moving with constant acceleration covers the distance between two points 70.0 m apart in 6.00 s. Its speed as it passes the second point is 15.0 m/s. What are (a) its speed at the first po...

Q: A jet fighter pilot wishes to accelerate from rest at a constant

A jet fighter pilot wishes to accelerate from rest at a constant acceleration of 5g to reach Mach 3 (three times the speed of sound) as quickly as possible. Experimental tests reveal that he will blac...

Q: The fastest measured pitched baseball left the pitcher’s hand at a speed

The fastest measured pitched baseball left the pitcher’s hand at a speed of 45.0 m/s. If the pitcher was in contact with the ball over a distance of 1.50 m and produced constant acceleration, (a) what...