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What are the two quantities needed to measure speed?
To measure speed, you need two quantities: distance traveled and time taken. By dividing the distance by the time, you can calculate the speed of an object.
Why is air resistance a nuisance?
Air resistance creates drag on objects moving through the air, making it harder for them to maintain their speed and increasing the amount of energy needed to overcome it. This can result in reduced efficiency and speed in vehicles and other moving objects, making air resistance a nuisance in practical applications where minimizing drag is important.
Why do larger objects require a greater force to accelerate the larger objects?
Larger objects have greater mass, which means they have more inertia. Inertia is the tendency of an object to resist changes in its motion, so more force is needed to overcome this resistance and accelerate larger objects.
Why does streamlining make objects more aerodynamic?
Streamlining reduces air resistance by shaping objects to minimize turbulence and drag. This helps objects move more smoothly through the air, reducing the energy needed to overcome air resistance and improving overall aerodynamic performance.
True or false the force needed to overcome kenetiic friction is useally greater than that needed to overcome static friction?
False. The force required to overcome static friction is generally higher than the force needed to overcome kinetic friction. Static friction is the resistance to the initial movement of two objects at rest, while kinetic friction is the resistance to the motion of objects sliding against each other.
What are the two quantities needed to measure speed?
To measure speed, you need two quantities: distance traveled and time taken. By dividing the distance by the time, you can calculate the speed of an object.
What two quantities needed to calculate the speed of a car?
You need:* Distance Travelled * Time taken to travel that distance Speed = Distance / Time
Why is air resistance a nuisance?
Air resistance creates drag on objects moving through the air, making it harder for them to maintain their speed and increasing the amount of energy needed to overcome it. This can result in reduced efficiency and speed in vehicles and other moving objects, making air resistance a nuisance in practical applications where minimizing drag is important.
Why do larger objects require a greater force to accelerate the larger objects?
Larger objects have greater mass, which means they have more inertia. Inertia is the tendency of an object to resist changes in its motion, so more force is needed to overcome this resistance and accelerate larger objects.
Why does streamlining make objects more aerodynamic?
Streamlining reduces air resistance by shaping objects to minimize turbulence and drag. This helps objects move more smoothly through the air, reducing the energy needed to overcome air resistance and improving overall aerodynamic performance.
What is a bill of quantities?
A bill of quantities is a list prepared by a quantity surveyor, of the quantities of materials needed for a specific project.
What nutrients is needed in large quantities?
macronutrients
What resistance is needed to reduce 5V dc to 4V dc?
The resistance needed is1/(the current flowing through the resistance) ohms.
What is needed to move a resistance?
a force
True or false the force needed to overcome kenetiic friction is useally greater than that needed to overcome static friction?
False. The force required to overcome static friction is generally higher than the force needed to overcome kinetic friction. Static friction is the resistance to the initial movement of two objects at rest, while kinetic friction is the resistance to the motion of objects sliding against each other.
How much vinegar is needed for making sodium acetate?
The chemical reaction for the preparation of sodium acetate is: CH3COOH + NaHCO3 → CH3COONa + H2O + CO2 Now you need to calculate the quantities from the molecular masses; it is not complicate.
Do things fall at the same speed?
Well it really depends on several factors that have to be just right in order for two objects to fall at the same speed or rate.The three main factors needed to calculate the speed at which two objects fall are Time(t) Velocity(v) and Rate of Acceleration.The formula used to calculate is:Acceleration= v-u/t (the v-u is change in velocity)The reason different objects accelerate the same (when you can ignore air resistance!) is because an object with more mass has more weight, but it also has more inertia.
