A car is traveling at 100 kilometers per hour. One minute later the car is traveling at 120 kilometers per hour. What is the average acceleration or the car?

A car is traveling at 100 kilometers per hour. One minute later the car is traveling at 120 kilometers per hour. What is the average acceleration or the car?

A 1 kg model rocket is launched at a 30 degree angle from the floor. The small rocket burns for 5.00 s and has a steady thrust of 20.0 N. What maximum altitude does the rocket reach and range of the...

There are given 3 source charges Q1= Q, Q2=Q and Q3= 2Q. Q3 is on top of triangle and Q1 and Q2 on bottom. The distance of q1=q2=q3= X where to place 4th Q in way electric field equals to 0...

A car was stopped at a red light. When the light turns green, the car reaches a speed of 22 miles per hour in 3 seconds. What is the acceleration, to 1 decimal place?

What is the final speed of a car that accelerates at 20 ft/s2 for 2 seconds if it's initial speed was 33 miles per hour, to 1 decimal place?

Physics test Prep

Physics test prep

1. You are standing 10 meters from a light source. Then, you back away from the light source until you are 20 meters away from it. From your perspective, what has happened to the intensity of the...

Find the magnitudes of the x, y, and z components of the vector vector A shown in Figure 3-41, given that A = 75 m and θ = 56°. http://www.webassign.net/walker/03-38alt.gif

A sailboat race course consists of four legs, defined by the displacement vectors A, B, C, and D, as the drawing indicates. The magnitudes of the first three vectors are A = 3.40 km, B = 5.10 km,...

A golfer, putting on a green, requires three strokes to "hole the ball." During the first putt, the ball rolls 5.0 m due east. For the second putt, the ball travels 2.1 m at an angle 20°...

1. The weight of the liquid displaced is less than the weight of the block. 2. The weight of the liquid displaced is greater than the weight of the block. 3. The weight of the liquid displaced...

A new star is discovered to be approximately 1 light year from Earth. When measured on Earth it has intensity of 1.34x10^-1 Wb/m. a) How long does the light ray take to reach us from this...

If you put 75 newtons of force into a machine and lift an object with a weight of 150 newtons, what can you say about the percent efficiency of the machine? A. The machine is 50% efficient...

Someone exerts a force of 67 N over a distance of 38 cm on a wedge. If the efficiency of the wedge is 50%, what is the output work? A. 12.7 J B. 50.9 J C. 335 J D. 1,273 J

A pulley system has a percent efficiency of 74%. How does this value change over time as this machine does work on a bucket of sand? A. It decreases. B. It increases. C. It doesn't...

A person uses force of 300N lifts a 120kg box with a lever of 2.4m long.What is the distance from the end of the box to the fulcrum?

Define the theorem and write the associated quotation

SOLVRFEHFVE FVJFNVJ JVRHF JFCDSV JFV SFNV OIJFC SOFV IOFV NGRODI JEO

Which of the following are true about a planet when it is at its greatest distance from the Sun? A. It is at aphelion. B. It is at perihelion. C. It is moving at its greatest speed...