Questions and answers by

Estrella Torres

Questions (246)

A basketball has a mass of 1 kg and is traveling 12 m/s.What would happen to the velocity if the momentum of the basketball were
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2. 73 views
A baseball is traveling (+20 m/s) and is hit by a bat. It leaves the bat traveling (−30 m/s).What is the change in the
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2. 93 views
A bowling ball has a mass of 5 kg.What happens to its momentum when its speed increases from 1 m/s to 2 m/s? Responses The
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2. 102 views
A bowling ball has a mass of 5 kg.What happens to its momentum when its speed increases from 1 m/s to 2 m/s?
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2. 96 views
What is it known as when a force is applied to an object for an amount of time?Responses inertia inertia acceleration
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2. 55 views
Amy has a mass of 30 kg, and she is riding a skateboard traveling 5 meters per second.What is her momentum?
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2. 120 views
A rock falls off a cliff and hits the ground after three seconds. The rock's velocity is 29.4 m/s when it hits the ground.What
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2. 65 views
What is the best description of the acceleration of an object?Responses A remote-control car speeds up from 0 m/s to 15 m/s. A
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2. 88 views
Which characteristic does inertia describe?Responses how fast an object is moving how fast an object is moving how large an
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2. 139 views
Amy gets up from her seat on a train to move closer to the front. Just as she begins to walk forward, the train stops at a
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2. 88 views
A cyclist rode at an average speed of 10 mph for 15 miles.How long was the ride?
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2. 123 views
A car traveled at an average speed of 60 mph for two hours.How far did it travel? Responses 30 miles 30 miles 60 miles 60 miles
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2. 95 views
Which statement is a scientifically accurate description of velocity?Responses With just two second left on the clock, the
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2. 125 views
Which pieces of information are necessary to describe an object's motion?Responses position, direction, and speed position,
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Which statement most completely describes an object's motion?Responses A car travels 25 miles. A car travels 25 miles. The rain
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2. 85 views
A 150-kg object takes 1.5 minutes to travel a 2,500-meter straight path. It begins the trip traveling 120 meters per second and
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2. 76 views
A speedboat travels from the dock to the first buoy, a distance of 20 meters, in 18 seconds. It began the trip at a speed of 0
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2. 87 views
If the net force on a 75-N object is 375 N from the left, in what direction will the object move?Responses toward the left
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2. 59 views
Which statement accurately describes a balanced force?Responses A 25-N force acts on the left side of the marble at the same
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2. 102 views
What is the mass of a cannonball if a force of 2,500 N gives the cannonball an acceleration of 200 m/s2?Responses 12.5 kg 12.5
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2. 71 views
What happens when a penny is dropped from a height of 20 meters?Responses It changes direction every 9.8 meters. It changes
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2. 80 views
Acceleration is defined as the rate of change for which characteristic?Responses velocity velocity position position
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2. 77 views
What force is needed to give a 4.5 kg bowling ball an acceleration of 9 m/s2?Responses 0.5 N 0.5 N 2 N 2 N 36.5 N 36.5 N 40.5 N
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2. 132 views
A vehicle of known mass accelerates along a straight path.What cased this acceleration, according to Newton's second law of
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2. 149 views
It takes a bus driver 30 minutes to pick up students from four stops. The last stop is at the corner of Green Street and Route
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2. 175 views
It takes a car 1.75 h to go from mile marker 10 to mile marker 115.What is the average speed of the car? Responses 1.6 mph 1.6
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2. 81 views
What information must a person have if they are asked to determine an object's speed?Responses distance and direction distance
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2. 82 views
Which situation describes the best example of rotational motion?Responses The wheel spins as long as the hamster keeps running.
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2. 93 views
Which example provides a complete scientific description of an object in motion?Responses The hockey player sent the puck flying
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2. 84 views
As a surfer ride is seen riding a wave toward the shoreline, what is the shoreline?Responses reference point reference point
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2. 89 views
Which situation is the best example of translational motion?Responses a powered up rocket on the launch pad a powered up rocket
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2. 80 views
Which property do solutions with high pH values have?Responses tastes sour tastes sour gives off hydrogen gas when reacted with
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2. 80 views
Which property do solutions with high pH values have?
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2. 58 views
Which term do these characteristics describe?The substance is mixed uniformly throughout and each part of the substance contains
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2. 112 views
Which choice can be classified as a pure substance?Responses compound compound homogeneous mixture homogeneous mixture solution
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2. 112 views
Which choice can be classified as a pure substance?
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2. 117 views
What is a substance said to be if it evaporates easily?
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2. 108 views
How do ionic bonds differ from covalent bonds?Responses Protons are transferred in an ionic bond. Protons are transferred in an
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2. 101 views
Which chemical formula shows an ionic compound?Responses NaCl upper case N lower case a upper case C lower case l CO2 upper case
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2. 157 views
Which statement about exothermic reactions is true?Responses The reactants create energy to form products. The reactants create
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2. 60 views
Which answer is an equation in point-slope form for the given point and slope?Point: (5, 9); Slope: 2 Responses y−5=2(x+9) y
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2. 66 views
There are 3 in. of snow on the ground when it begins to snow 0.5 in/h .Which linear equation represents the total depth of the
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2. 71 views
A line passes through (−1, 7) and (2, 10).Which answer is the equation of the line? Responses −3x+y=16 negative 3 x plus y
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2. 53 views
Which sentence best describes Mother Jones?Responses She was a labor activist who demanded child labor laws. She was a labor
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2. 82 views
By the 1930s, the labor movement had achieved its goals so there was no more need for labor unions. As a result, labor unions do
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2. 99 views
Samuel Gompers had the same goals for the labor movement as the socialists and anarchists did.
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2. 99 views