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Questions in physics

[Terjawab] How many newtons of force would 200 grams apply? What would be the mass of an object that weighs 7 N on Earth? If an object weighs 450 N, how much does it weigh in pounds?

[Terjawab] A lamp hangs from the ceiling at a height of 2.9 m. If the lamp breaks and falls to the floor, what is its impact speed?

[Terjawab] What is the link between mass and the force of gravity?

[Terjawab] Is an object in free fall when no force but gravity acts on it?

[Terjawab] When is an object that has been dropped from a great height through the air closest to being in free fall? A. At its terminal velocity B. When it has its smallest acceleration C. When its velocity downward is largest D. When the velocity downward is smallest

[Terjawab] A 0.4 kg block rests on a desk. The coefficient of static friction is 0.2. You push the side of the block but do not have a spring scale to measure the force you use. The block does not move. Which statement is true about the force of static friction?

[Terjawab] A car is traveling south at a speed of 69 miles per hour and then begins traveling west but continues traveling at the same speed. Which of the following has changed? A. velocity B. gravity C. mass D. speed

[Terjawab] How will two positive charges react to one another?

[Terjawab] A 200 g block on a 50 cm long string swings in a circle. It is frictionless and swings at 75 rpm. What is its speed and the tension on the string?

[Terjawab] Which list describes the properties of a liquid? A. Fixed volume, definite shape B. Fixed volume, takes the shape of its container C. Completely fills its container, definite shape D. Completely fills its container, takes the shape of its container