Questions and answers by

sophie

Questions (159)

Find the values of x and y for which:[2y+5] [x-1] [y - 2] = [ 3x ] is true. a. (-1, -1) b. (-2, -4) c. (5, 1) d. (-1, 4) I got
1. 0 answers
2. 301 views
Complete with the correct form of the partitive.-Benoit va au marche. Il achete _____ fromage. would it be du? -Il achete _____
1. 2 answers
2. 606 views
Rewrite the following sentences in the negative.-Je suis de Paris. Would it be: Je ne suis pas Paris. -Michelle est americaine.
1. 2 answers
2. 630 views
______ l'equipe ja ponaise a tres bien jouea. Tout b. Toute c. Tous d. Toutes I think it is A? On annonce le de'part de _____
1. 1 answer
2. 1,142 views
Le train part _____.a. da la voie b. du chariot c. la queue I think it is A?
1. 3 answers
2. 480 views
Le train arrive et les voyageurs montent _____.a. sur la voie b. en voiture c. devant la gare d. au kiosque I know it isn't
1. 2 answers
2. 1,279 views
Je descends _____.a. au kiosque b despuis 45 minutes c. au prochain arrete d. a la boucherie I think it is c or b?
1. 1 answer
2. 354 views
Choose the correct noun that matches the stated verb below.Choisir a. la fin b. un choix c. la vue d. un atterrissage Is it b?
1. 2 answers
2. 421 views
C'est _____ voie?a. quelle b. quelles c. quel d. quele Is it C? Tu voyages avec ______ compagnie aerienne? a. quelle b. quelles
1. 4 answers
2. 591 views
Ils regardent les vetements pour hommes dans ______ de la boutique.a. la caisse b. les soldes c. al vitrine d. au rayon I am
1. 2 answers
2. 704 views
This refers to Sir Gawain and the Green KnightGawain's actions at the castle reveal that the knight's moral code values: a.
1. 4 answers
2. 1,245 views
A beam of unknown charged particles passes at right angles to the direction of magnetic field of 9.0x10^-2 T. If the speed of
1. 1 answer
2. 604 views
A current-carrying wire is oriented at right angles to a uniform magnetic field. If the length of the wire is0.50 m and it
1. 2 answers
2. 1,645 views
There are four coils of wire being used as electromagnets. They all have the same size and are made up of the same material but
1. 3 answers
2. 2,499 views
The polarity of an electromagnet can be determined using the second right-hand rule.A. True B. False Is it B? Current passing
1. 2 answers
2. 784 views
When does a magnetic field induce maximum EMF in a wire moving with a constant velocity?A. When the wire is moved at an angle of
1. 1 answer
2. 761 views
When does a magnetic field induce maximum EMF in a wire moving with a constant velocity?A. When the wire is moved at an angle of
1. 0 answers
2. 711 views
An electromagnetic wave is produced by:A. an accelerating charged particle or changing magnetic fields B. an accelerating
1. 2 answers
2. 943 views
An electromagnetic wave has a wavelength of 6.2 x 10^14 m. What is the frequency of the wave?A. 2.0 x 10^6 Hz B. 4.8 x 10^-7 Hz
1. 3 answers
2. 1,757 views
The polarity of an electromagnetic can be determined using the second right-hand rule.A. True B. False Is it false? Current
1. 1 answer
2. 1,223 views
When a conducting sphere is charged positively, initially the charge is deposited on the left side. However, due to the sphere's
1. 3 answers
2. 1,538 views
In a series current, each circuit has the same:A. current B. voltage C. capacitance D. resistance If a resistor is added to a
1. 4 answers
2. 1,185 views
A 15.0 resistor and a 20.0 resistor are connected in parallel. A 5.00 resistor is connected across a 1.00 10^2-V battery. What
1. 2 answers
2. 883 views
When two bodies are charged, the total charge before and after charging remains the same because of:A. quantization of charges
1. 1 answer
2. 1,794 views
A negatively charged balloon sticks to a wooden door. However, an uncharged balloon does not stick to a wooden door. What is the
1. 4 answers
2. 1,783 views
Which of the following statements is true about electric forces?A. Electric forces cause objects to only attract each other. B.
1. 2 answers
2. 1,020 views
A beam of light passes from air to ethanol, with index of refraction of 1.36. If the angle of incidence ( 1) is 30.0 degrees,
1. 2 answers
2. 1,783 views
Light passes from air into water at 45.0 degrees to the normal. If the index of refraction of water is 1.33, find the angle of
1. 0 answers
2. 874 views
Light passes from air into water at 45.0 degrees to the normal. If the index of refraction of water is 1.33, find the angle of
1. 0 answers
2. 541 views
A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image.A
1. 2 answers
2. 670 views
A 5.0-cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the
1. 3 answers
2. 2,757 views
A concave mirror of focal length 10 cm forms an upright and diminished image of a real object placed at a distance of 5 cm from
1. 5 answers
2. 2,038 views
A convex mirror forms a virtual, diminished, and upright image for all real objects regardless of the location of the object.A.
1. 1 answer
2. 1,013 views
What must be the minimum height of a plane mirror so that a boy of height 162 cm can view himself from head to toe?A. 40.5 cm B.
1. 1 answer
2. 884 views
For incomplete cancellation to occur, opposite pulses must haveA. equal amplitudes B. different energies C. equal pulses D.
1. 2 answers
2. 435 views
A car moving at 16.0 m/s, passes an observer while its horn is pressed. Find the difference between the frequencies of sound
1. 2 answers
2. 1,609 views
Shaking a towel up and down would create what type of wave in the towel?A. Transverse <---answer (I think) B. longitudinal C.
1. 2 answers
2. 528 views
Doubling the amplitude of a wave will double the amount of energy the wave can transfer.A. True B. False <---answer (not sure)
1. 2 answers
2. 852 views
You are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your
1. 4 answers
2. 1,382 views
carol and bruno drag a box of mass 58.0 kg along a frictionless floor. Carol pushes the box with a force of 11.4 N at an angle
1. 2 answers
2. 2,075 views
The melting point of a solid is 90.0 degrees C. What is the heat required to change 2.5 of this solid at 40.0 degrees C to a
1. 4 answers
2. 1,700 views
Heat is added to an open container of a liquid. The liquid is brought to its boiling point and half the liquid boils away. Which
1. 1 answer
2. 845 views
The thermal energy of the particles in a gas is related to the temperature of the gas.A. True B. False This question is a bit
1. 1 answer
2. 637 views
1. In a gas kept at a constant temperature, all molecules move with the same speed.A. True B. False 2. A hot object has more
1. 3 answers
2. 2,190 views
Which of the following physical properties can be used to measure temperature using a thermometer?A. volume B. pressure C.
1. 3 answers
2. 2,412 views
hello me again!i am now looking at the wounderful painting of "little blue horses" by Franz Marc, dose anyone know any good
1. 4 answers
2. 641 views
what is franz marcs most famous painting(appart from the yellow cow)
1. 2 answers
2. 935 views
does anyone know where the yellow cow painting by Franz Marc i displayed?
1. 1 answer
2. 868 views
i am doing a project about franz marc an i need some info on one of his animal paintings this info consists of:name: when it was
1. 2 answers
2. 515 views
i have to write a full A4 page with no pictures about Franz Marc but i can not find enough info i have when he was born where an
1. 1 answer
2. 578 views
i really need some help!!i understand the parts of the heart and their names, but i am really confused on the cardiac cycle
1. 0 answers
2. 452 views
i have to do a box all about me, i just can't think on what to do?maybe a catwalk but like what?
1. 2 answers
2. 604 views
i don't know what an understood pronoun is
1. 3 answers
2. 451 views
an octagon has 8 sides. how many diagonal does an octagon have
1. 1 answer
2. 616 views
how many arrangements can be formed from all the letters in the word parallel?
1. 1 answer
2. 593 views
solve for n where it isp(n,5)=42xP(n-3)
1. 1 answer
2. 688 views
i have trouble with my subtractioin i also have problems with my spellings please helpPlease check these sites for games to help
1. 0 answers
2. 1,127 views
my writing is not very nice and neat should i practice moreHere is what you can do: Start a Journal (blank book), writing on
1. 0 answers
2. 572 views
why use a 3 wire system instead of a 2 wire system when wiring an electric heater with metal casingSo the metal casing can be
1. 0 answers
2. 451 views