PHYSICS HIGH SCHOOL

A basketball player is 5.22 m from the goal when she shoots the ball at 10.0 m/s at a 65.0 degree angle. How much time does it take the hall to reach the horizontal position of the goal?

Answers

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When compounds form, what is one result for the atoms that bonded?A. a stable arrangement of electrons

B. an unstable arrangement of electrons

C. more than eight electrons in their valence shell

D. fewer than eight electrons in their valence shell

Answers

One result for the atoms that bonded together when a compound forms is a stable arrangement of electrons.
When compounds form, the result for the atoms that are bonded is a stable arrangement of electrons. The answer is letter A. An unstable arrangement of electrons, more than eight electrons in their valence shell and fewer than eight electrons in their valence shell do not result in the bonding of atoms.

You have a 90 W electrical appliance that is on 24 hours per day. At $0.51 per kWh, how much are you paying daily for electricity to operate this appliance?Show your calculations here:

Answers


90 watts = 0.09 KW

Energy = (power) x (time) =
                  (0.09) x (24) KWh

Cost = (energy) x (unit price) =
           (0.09 x 24) x ($0.51) = $1.10 per day (rounded)

(Those are very expensive kWh's.)

The four giant gas planets that are made primarily of lightweight elements areA. Earth, Saturn, Neptune, and Venus.
B. Venus, Saturn, Uranus, and Neptune.
C. Mercury, Venus, Earth, and Neptune.
D. Jupiter, Saturn, Uranus, and Neptune.

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Jupiter Saturn Uranus and Neptune

One form of energy changes to multiple other formsa. single transformation
b. multiple transformation

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it is multiple transformation

hope it help

Answer:Multiple transformation

Explanation: one form of energy changes to one other form would be a single transformation

a crowbar having the lenght of 1.75 is used to balance a load of 500N if the distance between the fulcrum and the load is 0.5m find the effort applied to balance the load​

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The effort applied = 200 N

Further explanation

Equilibrium :

\tt F_1.d_1=F_2.d_2

Total length = 1.75

The distance between the fulcrum and the load is 0.5 m ⇒ d₁=0.5 m

The distance between the fulcrum and the force applied :

\tt 1.75-0.5=1.25~m\rightarrow d_2=1.25~m

A load of 500N ⇒ F₁=500 N

The force applied :

\tt 500* 0.5=F_2* 1.25\n\nF_2=(500* 0.5)/(1.25)=200~N

A coffee maker uses 7 amps of current and 110 volts. How much power does it use?

Answers

Power=Amperage*Voltage
P=I*V
now power= 7amps*110volts
Power coffee maker uses is 770 watts.

Answer: The correct answer is 770 W.

Explanation:

The expression of the power in terms of potential and current is as follows;

P=VI

Here, P is the power, V is the potential and I is the current.

It is given in the problem that A coffee maker uses 7 amps of current and 110 volts.

Calculate the power of a coffee maker.

P=VI

Put I= 7 A and V= 110 V.

P=(110 V)(7 A)

P= 770 W

Therefore, the power of the coffee maker is 770 W.
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