How much time does it take to travel from the position of 25m to a position of 100m at an average speed of 15m/s?

A car has a velocity of 26 m/s and goes down to 8 m/s as it approaches traffic. Was the some sort of acceleration? Your answer: Yes No Maybe so

If a chemical change has taken place, which of these is most likely true?

A student wants to know how many students send text messages during lunch at his school. The best way for him to gather this information would be to A. text his friends during lunch and ask them if they have been texting. B.

Why is the sky blue scientifically?

A parallel circuit has two 8.0-ohm resistors and a power source of 9.0 volts. If a 12.5-ohm resistor is added to the circuit in parallel, how will the current be affected and what value will it have?

The following statements regarding the exhaust gas recirculation (EGR) valve are all correct except: Low restriction exhaust systems will have no effect on EGR system operation. B.

A 10.0 V battery is connected to a 120-ohm resistor. Ignoring the internal resistance of the battery Calculate the power delivered to the resistor.

Hemoglobin (Hb) is the O2-carrying protein in our blood. Unlike myoglobin, it has four sites allowing it to bind up to four O2 molecules.

Why does the moon appear to change shape? A: It rotates and makes it own light B: It moves closer and farther away from the earth in a yearly pattern. C: It reflects sunlight as it revolves around the earth.

An object's weight is equal to its buoyant force in water. What would you expect to happen when the object is placed in water? Explain your reasoning.