Physics Kinematics Level: High School
The acceleration of a body can be obtained from the slope of graph plotting .a) Displacement versus time
b) Velocity versus time
c) Velocity versus displacement
d) Time versus displacement
e) Time versus velocity
Physics Kinematics Level: High School
A ball is thrown upward , reaches its highest point and then falls back . Which of the following is the correct statement ?a) Throughout its motion the velocity is zero .
b) Throughout its motion the acceleration is zero .
c) At the highest point in its motion the velocity is zero .
d) At the highest point in its motion the acceleration is zero .
Physics Kinematics Level: High School
For a body moving with constant acceleration , which of the following graphs will give a straight line ?a) Displacement versus time
b) Velocity versus time
c) Displacement versus velocity
d) Time versus velocity
e) Velocity versus displacement
Physics Kinematics Level: High School
A mile is 5280 feet . How many centimeters are there in a mile ?
Physics Kinematics Level: High School
A boy throws a ball . It starts from rest and reaches a speed of 25 m/s in 0.25 s . What is the acceleration of the ball ?
Physics Kinematics Level: High School
A car is traveling at 50 m/s and a jet is traveling at 450 m/s . How far will thea) car travel in eight seconds ?
b) jet travel during that same time interval ?
Physics Kinematics Level: High School
Relative velocity
A basketball player is running down the court at 8 m/s in a northern direction; she throws the ball to her right at a velocity of 15 m/s in the eastern direction .a) What is the velocity (speed and direction) of the ball relative to the court ?
b) Draw a vector diagram
Physics Kinematics Level: High School
Suppose a certain football player can run 100 m in 10.3 s ; what is his average speed in m/s ?
Physics Kinematics Level: High School
One dimension
A suicidal maniac jumps out of a perfectly good airplane . He falls to four seconds before opening his parachute .a) What is the downward speed jus before the chute opens (ignore the effects of air resistance) ?
b) How far below the airplane does he fall before he opens the chute ?
Physics Kinematics Level: High School
A sailboat tacking against the wind moves as follows ? 5.8 km at 45 degrees east of north . and then 4.5 km at 50 degree west of north . The entire motion takes 1h 15 Min .What is the total displacement ?
What is the average velocity of this section of the trip ?
What is the speed , if it is assumed to be constant ?
Physics Kinematics Level: High School
The muzzle speed of a 22 caliber bullet fired from a rifle is 360 m/s . If there were no air resistance , how high would this bullet rise when fired straight up ?
Physics Kinematics Level: High School
The takeoff speed of a jetliner is 360 km/h . If the jetliner is to take off from a 2100 m long runaway , what must be the (constant) acceleration along the runway ?
Physics Kinematics Level: High School
The driver of an automobile traveling at 80 km/h suddenly slams on the brakes and stops in 2.8 s . What is the average deceleration during braking ?
Physics Kinematics Level: High School
The speed skating record for women is held by Bonnie Blair , who completed a 500-m race in 39.1 s . What is the corresponding average speed ? Give the answer in m/s and in km/h .
Physics Kinematics Level: High School
Projectile Motion
An enemy vessel is on the east side of a mountainous iceberg . The enemy vessel can maneuver to within 5000 m of the 3600 m high iceberg peak and can shoot missiles with an initial speed of 500 m/s . If the western tip is horizontally 600 m from the peak , what are the distance from the western tip at which a ship can be safe from the attack from the enemy vessel ?